See Notes to Condensed Consolidated Financial Statements

See Notes to Condensed Consolidated Financial Statements

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments consisting of normal recurring accruals considered necessary for a fair presentation have been included. Operating results for the six-month period ended June 30, 2003 are not necessarily indicative of the results that may be expected for the year ending December 31, 2003. For further information, refer to the consolidated financial statements and footnotes thereto included in the annual report on Form 10-K for the year ended December 31, 2002.

Basic earnings per share is calculated by dividing income available to common shareholders by the weighted average number of common shares outstanding during the period. Options, warrants and other potentially dilutive securities are excluded from the basic calculation, but are included in computing diluted earnings per share. Average shares outstanding for computing basic earnings per share were 26,435,417 and 26,568,538 for the six-month periods ending June 30, 2003 and 2002, respectively. Average shares outstanding for computing dilutive earnings per share were 26,667,535 and 26,784,664 for the six-month periods ending June 30, 2003 and 2002, respectively. In computing dilutive earnings per share, average shares outstanding have been increased by the common stock equivalents relating to S&T's available stock options.

Components of comprehensive income for S&T include net income and unrealized gains or losses on S&T's available-for-sale securities. During the six months ended June 30, 2003 and 2002, total comprehensive income amounted to $31,562,000 and $19,917,000, respectively.

NOTE B - STOCK-BASED COMPENSATION

S&T accounts for stock options using the intrinsic value method. The following proforma information regarding net income and earnings per share assumes stock options granted subsequent to December 31, 1994 had been accounted for under the fair value method and the estimated fair value of the options was amortized to expense over the vesting period. Compensation expense, net of related tax, of $155,000 and $595,000 for the three months and $311,000 and $1,300,000 for the six months ending June 30, 2003 and June 30, 2002, respectively, is included in the proforma net income as reported below.

The fair value was estimated at the grant dates using a Black-Scholes option pricing model with the following weighted-average assumptions for June 30, 2003 and June 30, 2002, respectively: risk-free interest rates of 3.03% and 4.39%; a dividend yield of 3.6% and 4.0%; volatility factors of the expected market price of S&T's common stock of .275 and .283; and a weighted-average expected life of five years.

The Black-Scholes option valuation model was developed for use in estimating the fair value of traded options that have no vesting restrictions and are fully transferable. In addition, option valuation models require the input of highly subjective assumptions including the expected stock price volatility. Because S&T's employee stock options have characteristics significantly different from those of traded options, and because changes in the subjective input assumptions can materially affect the fair value estimate, in management's opinion, the existing models do not necessarily provide a reliable single measure of the fair value of its employee stock options.

In November 2002, Financial Accounting Standards Interpretation No. 45 (FIN 45), Guarantor's Accounting and Disclosure Requirements for Guarantees, including indirect guarantees of indebtedness of others, was issued. This interpretation expands the disclosures to be made by a guarantor in its financial statements about its obligations under certain guarantees and requires the guarantor to recognize a liability for the fair value of an obligation assumed under a guarantee. In general, FIN 45 applies to contracts or indemnification agreements that contingently require the guarantor to make payments to the guaranteed party based on changes in an underlying asset, liability, or equity security of the guaranteed party. Certain guarantee contracts are excluded from both the disclosure and recognition requirements of this interpretation, including, among others, guarantees relating to employee compensation, residual value guarantees under capital lease arrangements, commercial letters of credit, loan commitm ents, subordinated interests in special purpose entity and guarantees of a company's own future performance. Guarantees that have been entered into by S&T are disclosed in Note G. S&T has determined that the adoption of FIN 45 did not have a material impact on results of operations, financial position or liquidity.

In January 2003, Financial Accounting Standards Interpretation No. 46 (FIN 46), Consolidation of Variable Interest Entities (VIEs), an interpretation of Accounting Research Bulletin No. 51, Consolidated Financial Statements, to improve financial reporting of special purpose and other entities was issued. In accordance with FIN 46, business enterprises that represent the primary beneficiary of another entity by retaining a controlling financial interest in that entity's assets, liabilities and results of operating activities must consolidate the entity in its financial statements. Prior to the issuance of FIN 46, consolidation generally occurred when an enterprise controlled another entity through voting interests. The consolidation provisions of FIN 46 apply to VIEs entered into after January 31, 2003, and for preexisting VIEs in the first interim reporting period after June 15, 2003. With respect to other interests, in entities subject to FIN 46, including low income housing investmen ts, the adoption of FIN 46 will not have a material impact on S&T's financial position or results of operations.

Statement of Financial Accounting Standards Statement No. 148, Accounting for Stock Based Compensation amends Financial Accounting Standards Statement No. 123 to provide alternative methods of transition to Statement No. 123's fair value method of accounting for stock-based employee compensation. Statement No. 148 also amends the disclosure provisions of Statement No. 123 and APB 28, Interim Financial Reporting, to require disclosure in the summary of significant accounting policies of the effects of an entity's accounting policy with respect to stock-based compensation on reported net income and earnings per share in annual and interim financial statements. While Statement No. 148 does not amend Statement No. 123 to require companies to account for employee stock options using the fair value method, the disclosure provisions of Statement No. 148 are applicable to all companies with stock-based employee compensation, regardless of whether they account for that compensation using the fai r value method of Statement No. 123 or the intrinsic value method of Opinion 25. S&T adopted the disclosure provisions of Statement No. 148 as of December 31, 2002.

Statement of Financial Accounting Standards Statement No. 149, Amendment of Statement No. 133 on Derivative Instruments and Hedging Activities. Statement No. 149 amends and clarifies accounting for derivative instruments, including certain derivative instruments embedded in other contracts and for hedging activities under Statement No. 133. Statement No. 149 is effective for contracts entered into or modified after June 30, 2003. The adoption of Statement No. 149 is not anticipated to materially affect S&T's financial position or results of operations.

Statement of Financial Accounting Standards Statement No. 150, Accounting for Certain Financial Instruments with Characteristics of both Liabilities and Equity. Statement No. 150 establishes standards for how an issuer classifies and measures certain financial instruments with characteristics of both liabilities and equity. Statement No. 150 is effective for financial instruments entered into or modified after May 31, 2003. The adoption of Statement No. 150 is not anticipated to materially impact S&T's financial position or results of operations.

S&T's balance sheet shows both tangible assets (such as loans, buildings, and investments) and intangible assets (such as goodwill and core deposit intangibles). Goodwill resulting from the acquisitions in 2002 was accounted for in accordance with Statement No. 142 and will be periodically reviewed for impairment as required. The remaining goodwill and other intangibles are comprised of the 1998 purchase of a branch office in Clarion, Pennsylvania and other mortgage servicing assets.

During the period ended June 30, 2003, S&T realized net gains of $2.2 million from its available for sale securities portfolio. S&T may receive an exchange of shares relative to mergers; gains and losses are recognized on shares held of acquired institutions in accordance with Emerging Issues Task Force #91-5, Nonmonetary Exchange of Cost-Method Investments (EITF 91-5). There were no EITF 91-5 gains or losses realized during the period ending June 30, 2003.

The amortized cost and estimated market value of debt securities at June 30, 2003, by contractual maturity, are shown below.

At June 30, 2003 and December 31, 2002 investment securities with a principal amount of $441,263,000 and $359,485,000, respectively, were pledged to secure repurchase agreements, public funds and trust fund deposits.

The following table represents S&T's investment in loans considered to be impaired and related information on those impaired loans as of June 30, 2003 and December 31, 2002 and for the six and twelve month periods, respectively.

NOTE G - GUARANTEES

S&T, in the normal course of business, commits to extend credit and issue standby letters of credit. The obligations are not recorded in S&T's financial statements. Loan commitments and standby letters of credit are subject to S&T's normal credit underwriting policies and procedures and generally require collateral based upon management's evaluation of each customer's financial condition and ability to satisfy completely the terms of the agreement. S&T's exposure to credit loss in the event the customer does not satisfy the terms of the agreement equals the notional amount of the obligation less the value of any collateral. Unfunded commercial loan commitments totaled $368,505,000, unfunded other loan commitments totaled $109,513,000 and obligations under standby letters of credit totaled $217,632,000 at June 30, 2003.

NOTE H - LITIGATION

S&T, in the normal course of business, is subject to various legal proceedings in which claims for monetary damages are asserted. No material losses are anticipated by management as a result of these legal proceedings.

The following discussion and analysis is presented so that shareholders may review in further detail the financial condition and results of operations of S&T Bancorp, Inc. and subsidiaries (S&T). This discussion and analysis should be read in conjunction with the condensed consolidated financial statements presented elsewhere in this report.

Financial Condition

Total assets averaged $2.8 billion in the first six months of 2003 and $2.5 billion for the year ended December 31, 2002. Average loans increased $256.8 million and average securities and federal funds increased $30.7 million in the first six months of 2003 compared to the 2002 full year average. Average deposits increased $204.9 million and average borrowings increased $110.6 million.

Lending Activity

Average loans increased $256.8 million to $2.0 billion for the six months ended June 30, 2003 from the 2002 full year average. Included in the average increase is $237.4 million of primarily 1-4 family loans acquired in the Peoples Financial Corporation. (Peoples) acquisition which was finalized in the third quarter of 2002. Changes in the composition of the average loan portfolio during 2003 included increases of $73.5 million of commercial loans, $101.2 million of commercial real estate loans, $76.5 million of residential mortgages and $5.6 million of installment loans.

Real estate construction and commercial loans, including mortgage and industrial, comprised 70% of the loan portfolio as of June 30,2003. Although commercial loans can be an area of higher risk, management believes these risks are mitigated by limiting concentrations and a rigorous underwriting review by loan administration.

Residential mortgage loans comprise 26% of the loan portfolio. Residential mortgage lending continued to be a strategic focus for the second quarter of 2003 through our centralized mortgage origination department, product redesign, secondary market activities and the utilization of commission compensated originators. Management believes that S&T is fairly well insulated from the impact of potential future declines in its local real estate market due to its past conservative mortgage lending policies. These policies generally require, for portfolio loans, a maximum term of twenty years for fixed rate mortgages and private mortgage insurance for loans with less than a 20% down payment. At June 30, 2003, 10% of the residential mortgage portfolio was comprised of adjustable rate mortgages.

S&T periodically sells longer-term, lower-yielding 1-4 family mortgages to Fannie Mae. The rationale for these sales is to mitigate interest rate risk associated with holding long-term residential mortgages in the loan portfolio, to generate fee revenue from servicing, and still maintain the primary customer relationship. During the first six months of 2003, S&T sold $34.1 million of 1-4 family mortgages to Fannie Mae. S&T will continue to sell longer-term loans to Fannie Mae in the future on a selective basis, especially during periods of lower interest rates.

Consumer installment loans comprise 5% of the loan portfolio. Direct auto loans increased $4.2 million during the six months ended June 30, 2003 as compared to the 2002 full year average due to loans acquired in the Peoples acquisition.

Loan underwriting standards for S&T are established by a formal policy administered by the S&T Bank Credit Administration Department and are subject to the periodic review and approval of the S&T Bank Board of Directors.

Rates and terms for commercial real estate and equipment loans normally are negotiated, subject to such variables as economic conditions, marketability of collateral, credit history of the borrower and future cash flows. The loan to value policy guideline for commercial real estate loans is generally 75-80%.

The loan to value policy guideline is 80% for residential first lien mortgages. Higher loan to value loans can be approved with the appropriate private mortgage insurance coverage. Second lien positions are sometimes incurred with home equity loans, but normally only to the extent that the combined credit exposure for both first and second liens does not exceed 100% of loan to value.

A variety of unsecured and secured installment loan and credit card products are offered by S&T. However, the majority of the consumer loan portfolio is automobile loans. Loan to value guidelines for direct loans are 90%-100% of invoice for new automobiles and 80%-90% of National Automobile Dealer Association (NADA) value for used automobiles.

Management intends to continue to pursue quality loans in a variety of lending categories within our market area in order to honor our commitment to provide the best service possible to our customers. S&T's loan portfolio primarily represents loans to businesses and consumers in our market area of Western Pennsylvania rather than to borrowers in other areas of the country or to borrowers in other nations. S&T has not concentrated its lending activities in any industry or group. During the past several years, management has concentrated on building an effective credit and loan administration staff, which assists management in evaluating loans before they are made and identifies problem loans early.

Security Activity

Average securities increased by $30.8 million in the first six months of 2003 compared to the 2002 full year average. The average increase was comprised of $94.5 million of U.S. government agency securities, $25.2 million of states and political subdivisions and $6.1 of Federal Home Loan Bank (FHLB) stock. Offsetting these increases were average decreases of $1.2 million in U.S. treasury securities, $48.8 million of mortgage-backed securities, $24.3 million of corporate equity securities and $20.7 million of other corporate securities.

The equity securities portfolio is primarily comprised of bank holding companies, as well as preferred and utility stocks to take advantage of the dividends received deduction for corporations. At June 30, 2003, the equity portfolio had net unrealized gains of $27.4 million. The equity securities portfolio consists of securities traded on the various stock markets and are subject to changes in market value. The FHLB capital stock is a membership and borrowing requirement and is acquired and sold at stated value.

S&T's policy for security classification includes U.S. treasuries, U.S. government agencies, mortgage-backed securities, collateralized mortgage obligations, municipal securities, corporate securities and marketable equity securities as available for sale. Two municipal securities are classified as held to maturity. At June 30, 2003, unrealized gains, net of unrealized losses, for securities classified as available for sale were $50.3 million.

Allowance for Loan Losses

The balance in the allowance for loan losses was $31.5 million or 1.55% of total loans at June 30, 2003 as compared to $30.1 million or 1.51% of total loans at December 31, 2002. The adequacy of the allowance for loan losses is determined by management through evaluation of the loss potential on individual nonperforming, delinquent and high-dollar loans; review of economic conditions and business trends; historical loss experience; and growth and composition of the loan portfolio, as well as other relevant factors.

A quantitative analysis is utilized to support the adequacy of the allowance for loan losses. This analysis includes review of the historical loss rates for loan categories, fluctuations and trends in the amount of classified loans and economic factors. Economic factors consider the level of S&T's historical losses that have occurred within the credits' economic life cycle.

Significant to this analysis is the shift in the loan portfolio composition to an increased mix of commercial loans. These loans are generally larger in size and, due to our continuing growth, many are not well seasoned and could be more vulnerable to an economic slowdown. Management relies on its risk rating process to monitor trends, which may be occurring relative to commercial loans to assess potential weaknesses within specific credits. Current economic factors and trends in risk ratings are considered in the determination of the allowance for loan losses. At this time, S&T's risk rating analysis of the portfolio remains relatively stable even though there has recently been a definitive decline in the general economy.

Net loan charge-offs totaled $3.0 million in the first six months of 2003 compared to $1.0 million in the first six months of 2002. Included in net loan charge-offs is $2.0 million incurred during the first quarter of 2003 for a single commercial loan, which was considered in the determination of the allowance for loan losses in previous quarters. The remaining balance of that partially charged-off commercial loan is $2.0 million and is classified as nonperforming at June 30, 2003. Management believes that future business cash flows and/or collateral liquidation will be sufficient to satisfy the outstanding balance. The balance of nonperforming loans, which included nonaccrual loans past due 90 days or more, at June 30, 2003, was $8.6 million or 0.42% of total loans. This compares to nonperforming loans of $5.8 million or 0.29% of total loans at December 31, 2002.

Asset quality is a major corporate objective at S&T, and management believes that the allowance for loan losses is adequate to absorb probable loan losses.

Average total deposits increased by $204.9 million, or 12% for the six months ended June 30, 2003 as compared to the 2002 full year average. Included in the average increase is $293.0 million of deposits acquired in the Peoples acquisition. Changes in the average deposit mix included increases of $77.3 million in money market and NOW accounts, $32.9 million in savings accounts, $48.5 million in demand accounts and $46.2 million in time deposits. Some of these changes can be partially explained by customers shifting funds into demand, savings and money market accounts in anticipation of higher interest rates in the future, as well as the deposits acquired from the Peoples acquisition.

Management believes that the S&T deposit base is stable and that S&T has the ability to attract new deposits, mitigating a funding dependency on volatile liabilities. Special rate deposits of $100,000 and over were 8% of total deposits at June 30, 2003 and 9% at December 31, 2002, respectively, and primarily represent deposit relationships with local customers in our market area. In addition, S&T management believes it has the ability to access both public and private markets to raise long-term funding if necessary.

Borrowings

Average borrowings increased $110.6 million for the six months ended June 30, 2003 compared to the 2002 full year average and were comprised of retail repurchase agreements (REPOs), wholesale REPOs, federal funds purchased and long-term borrowings. S&T defines repurchase agreements with its local, retail customers as retail REPOs; wholesale REPOs are those transacted with other banks and brokerage firms with terms normally ranging from 1 to 14 days.

The average balance in retail REPOs decreased approximately $7.7 million for the first six months of 2003 compared to the full year 2002 average. S&T views retail REPOs as a relatively stable source of funds since most of these accounts are with local, long-term customers. Average wholesale REPOs and federal funds increased by $118.7 million for the first six months of 2003 compared to the full year 2002 average, as S&T took advantage of low rate short-term funds and to better match commercial borrower shifts into more variable rate products.

Average long-term borrowings have decreased by $0.4 million in the first six months of 2003 as compared to the full year 2002 average. At June 30, 2003, S&T had long-term borrowings outstanding of $235.7 million at a fixed rate with the FHLB. The purpose of these borrowings was to provide matched, fixed rate fundings for newly originated loans, to mitigate the risk associated with volatile liability fundings, to take advantage of lower cost funds through the FHLB's Community Investment Program and to fund stock buy-backs.

Capital Resources

Shareholders' equity increased $13.2 million at June 30, 2003, compared to December 31, 2002. Net income was $25.3 million and dividends paid to shareholders were $13.3 million for the six months ended June 30, 2003. Also affecting capital is an increase of $6.2 million in unrealized gains on securities available for sale and stock buybacks of 266,504 shares during 2003 acquired at an average cost of $25.76 per share. Authorization for repurchasing up to 1,000,000 shares remains in effect for 2003.

S&T paid 52% of net income in dividends, equating to an annual dividend rate of $1.00 per share during the first six months of 2003. The book value of S&T's common stock increased from $11.51 at December 31, 2002 to $12.10 at June 30, 2003. The market price of S&T's common stock was $27.44 per share at June 30, 2003, compared to $25.05 per share at December 31, 2002.

S&T continues to maintain a strong capital position with a leverage ratio of 8.50% as compared to the minimum regulatory guideline of 3.0%. S&T's risk-based capital Tier I and Total ratios were 10.11% and 11.90% respectively, at June 30, 2003. These ratios place S&T above the Federal Reserve Board's risk-based capital guidelines of 4.0% and 8.0% for Tier I and Total, respectively.

Net income was $25.3 million or $0.95 per diluted earnings per share in the first six months of 2003 as compared to $23.3 million or $0.87 per diluted earnings per share for the same period of 2002. The increase during the first six months of 2003 was primarily the result of increases in net interest income and noninterest income, offset by increased operating expenses, lower equity security gains and a higher provision expense for loan losses.

Net Interest Income

On a fully taxable equivalent basis, net interest income increased $8.8 million or 19.1% in the first six months of 2003 compared to the same period of 2002. The net interest margin on a fully taxable equivalent basis was 4.14% in the first six months of 2003 as compared to the 4.10% in the same period of 2002. The significant cause of this increase in net interest income was an increase of $406.4 million of average earning assets, primarily from the Peoples acquisition. The Peoples acquisition added approximately $60.0 million of investment securities, $237.4 million of loans and $293.0 million of deposits at the time of merger in September of 2002.

In the first six months of 2003, average loans increased $256.8 million and average securities and average federal funds sold increased $30.7 million. The yields on average securities decreased by 127 basis points during the period and the yield on average loans decreased by 50 basis points. The yield on federal funds declined 57 basis points.

In the first six months of 2003, balances of average interest-bearing deposits increased by $156.4 million. The cost of deposits totaled 2.13%, a decrease of 57 basis points from 2002 due to reduced rates paid on both core and time deposits. The cost of REPOs and other borrowed funds decreased 89 basis points to 3.15%.

Positively affecting net interest income was a $20.7 million increase to average net free funds. Average net free funds are the excess of demand deposits, other non-interest bearing liabilities and shareholders' equity over nonearning assets. During the first quarter of 2003, dividend income included the impact of special dividends. Also during the first six months of 2003, $0.9 million of prepayment penalties were received for the early prepayment of large commercial loans.

Maintaining consistent spreads between earning assets and interest-bearing liabilities is very significant to S&T's financial performance since net interest income comprises 81% of operating revenue. A variety of asset/liability management strategies were successfully implemented within prescribed Asset Liability Committee (ALCO) risk parameters that enabled S&T to maintain a net interest margin reasonably consistent with historical levels during a volatile interest rate environment. The level and mix of funds is monitored by ALCO in order to mitigate the interest rate sensitivity and liquidity risks of the balance sheet.

Provision for Loan Losses

The provision for loan losses was $4.3 million for the first six months of 2003 and $2.5 million for the same period of 2002. The provision is the result of management's assessment of economic conditions, credit quality statistics, loan administration effectiveness and other factors that would have an impact on inherent losses in the loan portfolio. Also affecting the amount of provision expense is loan growth, portfolio composition and trends within risk ratings.

Credit quality indicators are important factors in determining the amount of provision expense. Nonperforming loans to total loans was 0.42% at June 30, 2003 compared to 0.37% at June 30, 2002 and 0.29% at December 31, 2002. Also affecting the amount of expense is the amount and types of loan growth and portfolio composition. Most of the non-merger related loan growth in 2003 and 2002 is attributable to larger-sized commercial loans, which are inherently higher risk.

Noninterest income increased $1.6 million or 14% in the first six months of 2003 as compared to the same period of 2002. Increases included $0.8 million in service charges and fees, $0.7 million in insurance and $0.1 million in other income. Security gains decreased $1.3 million in the first six months of 2003 as compared to the same period of 2002.

The $0.8 million increase in service charges on deposit accounts was primarily the result of management's continual effort to implement reasonable fees for services performed, and to manage closely the collection of these fees. Also positively affecting this period's service charges on deposit accounts is the addition of more deposit customers from the Peoples acquisition. The $0.7 million increase in insurance is primarily attributable to the acquisition of Evergreen Insurance, Inc. (Evergreen) in the third quarter of 2002. The $0.1 million increase in other income is partially offset by the establishment of a valuation allowance by a charge of $0.8 million to reflect the decreased current value of mortgage servicing rights during this period of heavy residential mortgage refinancing activity. These areas continue to be the focus of several strategic initiatives and product enhancements that were implemented in order to expand these sources of revenue.

S&T recognized $2.2 million of gains on available for sale equity securities in the first six months of 2003 as compared to $3.5 million in the same period of 2002. The equity security gains were taken on available for sale securities in the first six months of 2003 and 2002 in order to maximize returns in the portfolio by taking advantage of market opportunities when presented and to reduce the holdings of corporate debt securities. Unrealized gains, net of unrealized losses, in the available for sale equity portfolio totaled $27.4 million at June 30, 2003.

Noninterest Expense

Noninterest expense increased by $3.7 million or 15% at June 30, 2003 compared to June 30, 2002. Staff expense increased $1.9 million or 15% primarily attributable to higher medical and pension costs and higher staffing levels that reflect the personnel and infrastructure increases resulting from the Peoples and Evergreen acquisitions. Occupancy expense increased $0.5 million or 16% as compared to the same period of 2002. Data processing expense increased $0.2 million or 17% as compared to the same period in 2002. Other expense increased $1.0 million or 16%. These increases reflect the normal changes due to increased activity levels. Average full-time equivalent staff was 761 at June 30, 2003 and 677 at June 30, 2002. S&T's efficiency ratio, which measures noninterest expense as a percent of recurring noninterest income plus net interest income on a fully taxable equivalent basis, was 42% at June 30, 2003 and 43% at June 30, 2002. Tax-exempt income on a fully taxable equivalent basis using the stat utory corporate income tax rate of 35% was $1.8 million at June 30, 2003.

Federal income tax expense increased $1.3 million at June 30, 2003 as compared to June 30, 2002. The effective tax rate for the first six months was 29% and 28% in 2003 and 2002, respectively. The effective tax rate is below the 35% statutory rate due to benefits resulting from tax-exempt interest, excludable dividend income, low income housing tax credits, federal historic tax credits and the defined contribution retirement plan deduction which became effective in the first quarter of 2002.

RESULTS OF OPERATIONS

Net income was $12.8 million or $0.48 per diluted earnings per share in the second quarter of 2003 compared to $11.8 million or $0.44 per diluted earnings per share for the same period of 2002. The increase during the second quarter of 2003 was primarily the result of increases in net interest income and noninterest income, offset by increased operating expenses, lower equity security gains and higher provision expense.

On a fully taxable equivalent basis, net interest income increased $3.9 million or 16.7% in the second quarter of 2003 compared to the same period of 2002. The significant cause of this increase in net interest income was an increase of $386.9 million of average earning assets, primarily from the Peoples acquisition. The Peoples acquisition added approximately $60.0 million of investment securities, $237.4 million of loans and $293.0 million of deposits at the time of merger in September of 2002. Net interest margin on a fully taxable equivalent basis was 4.08% for the second quarter of 2003, as compared to 4.09% for the same period of 2002.

The provision for loan losses was $1.9 million for the three months of 2003 and $1.5 million for the same period of 2002. The provision is the result of management's assessment of economic conditions, credit quality statistics, loan administration effectiveness and other factors that would have an inherent on probable losses in the loan portfolio. Also affecting the amount of provision expense is loan growth, portfolio composition and trends within risk ratings.

Credit quality indicators are important factors in determining the amount of provision expense. Nonperforming loans to total loans was 0.42% at June 30, 2003 compared to 0.37% at June 30, 2002 and 0.29% at December 31, 2002. Also affecting the amount of expense is the amount and types of loan growth and portfolio composition. Most of the non-merger related loan growth in 2003 and 2002 is attributable to larger-sized commercial loans, which are inherently higher risk.

Noninterest income increased $0.4 million or 7% in the second quarter of 2003 as compared to 2002. Increases included $0.3 million in service charges and $0.3 million in insurance, offset by a $0.2 million decrease in other income. Security gains decreased $0.5 million in the second quarter of 2003 as compared to the same period of 2002.

The 19% increase in service charges on deposit accounts was primarily the result of management's continual effort to implement reasonable fees for services performed, and to manage closely the collection of these fees. Also positively affecting this period's service charges on deposit accounts is the addition of more deposit customers from the Peoples acquisition. The $0.3 million increase in insurance is primarily attributable to the acquisition of Evergreen in the third quarter of 2002. Offsetting these increases was a decrease of $0.2 million in other income due to the establishment of a valuation allowance by a charge of $0.8 million taken in the second quarter of 2003 to reflect the decreased current value of mortgage servicing rights during this period of heavy residential mortgage refinancing activity. These areas continue to be the focus of several strategic initiatives and product enhancements that were implemented in order to expand these sources of revenue.

S&T recognized $1.2 million of gains on available for sale securities in the second quarter of 2003 as compared to $1.7 million in the same period of 2002. The equity security gains were taken on available for sale securities in the second quarter of 2003 and 2002 in order to maximize returns in the portfolio by taking advantage of market opportunities when presented. Unrealized gains, net of unrealized losses, in the available for sale equity portfolio totaled $27.4 million at June 30, 2003.

Noninterest Expense

Noninterest expense increased $2.0 million or 17% in the second quarter of 2003 as compared to the second quarter of 2002. Staff expense increased $1.4 million or 21% primarily attributable to higher medical and pension costs and higher staffing levels that reflect the personnel and infrastructure increases resulting from the Peoples and Evergreen acquisitions. Occupancy expense increased $0.3 million or 19% as compared to the same period of 2002. Data processing expense increased $0.1 million or 17% as compared to the same period in 2002. Other expense increased $0.2 million or 7%. These increases reflect the normal changes due to increased activity levels.

Federal Income Taxes

Federal income tax expense increased $0.4 million in the second quarter of 2003 as compared to the second quarter of 2002. The effective tax rate for the second quarter of 2003 and 2002 was 29%, which is below the 35% statutory rate due to benefits resulting from tax-exempt interest, excludable dividend income and low income housing tax credits.

S&T's consolidated financial statements are prepared based upon the application of certain critical accounting policies affecting accounts such as: securities, allowance for loan losses and goodwill and other intangibles. Certain of these policies require numerous estimates and strategic or economic assumptions that may prove inaccurate or subject to variations and may significantly affect S&T's reported results and financial position for the period or in future periods. Changes in underlying factors, assumptions or estimates in any of these areas could have a material impact on S&T's future financial condition and results of operations. S&T's critical accounting policies are presented in Management's Discussion and Analysis in S&T's Annual Report on Form 10-K, filed with the SEC on March 21, 2003. There have been no material changes in S&T's critical accounting policies since December 31, 2002.

The statements in this Annual Report, which are not historical fact, are forward looking statements that involve risks and uncertainties, including, but not limited to, the interest rate environment, the effect of federal and state banking and tax regulations, the effect of economic conditions, the impact of competitive products and pricings, and other risks detailed in S&T's Securities and Exchange Commission filings.