Exhibit 99.1

To the Limited Partners of

SECOR Master Fund L.P.

To the best of the knowledge and belief of the undersigned, the information contained herein is accurate and complete.

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Partners of SECOR Master Fund L.P.:

We have audited the accompanying statements of financial condition of SECOR Master Fund L.P. (the “Partnership”), including the condensed schedules of investments, as of December 31, 2016 and 2015, and the related statements of income and expenses and changes in partners’ capital for each of the three years in the period ended December 31, 2016.

These financial statements are the responsibility of the Partnership’s management. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. The Partnership is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. Our audits included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Partnership’s internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, such financial statements present fairly, in all material respects, the financial position of SECOR Master Fund L.P. as of December 31, 2016 and 2015, and the results of its operations and changes in its partners’ capital for each of the three years in the period ended December 31, 2016, in conformity with accounting principles generally accepted in the United States of America.

/s/ Deloitte & Touche LLP

New York, New York

March 24, 2017

SECOR Master Fund L.P

Statements of Financial Condition

December 31, 2016 and 2015

See accompanying notes to financial statements.

SECOR Master Fund L.P

Condensed Schedule of Investments

December 31, 2016

See accompanying notes to financial statements.

SECOR Master Fund L.P

Condensed Schedule of Investments

December 31, 2015

See accompanying notes to financial statements.

SECOR Master Fund L.P

Statements of Income and Expenses

For the Years Ended December 31, 2016, 2015 and 2014

See accompanying notes to financial statements.

SECOR Master Fund L.P

Statements of Changes in Partners’ Capital

For the Years Ended December 31, 2016, 2015 and 2014

See accompanying notes to financial statements.

SECOR Master Fund L.P.

Notes to Financial Statements

SECOR Master Fund L.P. (the “Master”) is a limited partnership organized under the partnership laws of the State of Delaware on July 19, 2013, to engage in the speculative trading of a diversified portfolio of commodity interests, including futures, option, swap and forward contracts. The sectors traded include currencies, indices, U.S. and non-U.S. interest rates, grains, livestock, softs, energy and metals. The commodity interests that are traded by the Master are volatile and involve a high degree of market risk. The General Partner (as defined below) may also determine to invest up to all of the Master’s assets in United States (“U.S.”) Treasury bills and/or money market mutual funds, including money market mutual funds managed by Morgan Stanley or its affiliates.

Ceres Managed Futures LLC, a Delaware limited liability company, acts as the general partner (the “General Partner”) and commodity pool operator of the Master. At December 31, 2016, the General Partner was a wholly-owned subsidiary of Morgan Stanley Smith Barney Holdings LLC (“MSSB Holdings”). MSSB Holdings was ultimately owned by Morgan Stanley. Morgan Stanley is a publicly held company whose shares are listed on the New York Stock Exchange. Morgan Stanley is engaged in various financial services and other businesses. All trading decisions for the Master are made by the Advisor (as defined below).

On August 1, 2013 (commencement of trading operations), Emerging CTA Portfolio L.P. (“Emerging CTA”) allocated a portion of its capital to the Master. Emerging CTA purchased an interest in the Master with cash equal to $10,000,000. On January 1, 2015, Morgan Stanley Smith Barney Spectrum Technical L.P. (“Spectrum Technical”) allocated a portion of its capital to the Master. Spectrum Technical purchased an interest in the Master with cash equal to $9,698,416. The Master was formed to permit accounts managed by SECOR Capital Advisors, LP (the “Advisor”) using a variation of the program traded by SECOR Alpha Master Fund L.P., a proprietary, systematic trading program, to invest together in one trading vehicle.

During the periods covered by this report, the Master’s commodity broker was Morgan Stanley & Co. LLC (“MS&Co.”), a registered futures commission merchant. The Master also deposits a portion of its cash in a non-trading account at JPMorgan Chase Bank, N.A.

The Master operates under a structure where its investors consist of Emerging CTA and Spectrum Technical (each a “Feeder,” collectively, the “Funds”). Emerging CTA and Spectrum Technical owned approximately 49.1% and 50.9% of the Master at December 31, 2016, respectively. Emerging CTA and Spectrum Technical owned approximately 45.6% and 54.4% of the Master at December 31, 2015, respectively.

The Master will be liquidated under certain circumstances as defined in the limited partnership agreement of the Master (the “Limited Partnership Agreement”).

In July 2015, the General Partner delegated certain administrative functions to SS&C Technologies, Inc., a Delaware corporation, currently doing business as SS&C GlobeOp (the “Administrator”). Pursuant to a master services agreement, the Administrator furnishes certain administrative, accounting, regulatory reporting, tax and other services as agreed from time to time. In addition, the Administrator maintains certain books and records of the Master.

SECOR Master Fund L.P.

Notes to Financial Statements

SECOR Master Fund L.P.

Notes to Financial Statements

SECOR Master Fund L.P.

Notes to Financial Statements

The Master was formed for the purpose of trading contracts in a variety of commodity interests, including derivative financial instruments and derivative commodity interests. The results of the Master’s trading activities are shown in the Statements of Income and Expenses.

The Customer Agreement gives the Master the legal right to net unrealized gains and losses on open futures and forward contracts. The Master nets, for financial reporting purposes, the unrealized gains and losses on open futures and forward contracts in the Statements of Financial Condition, as the criteria under ASC 210-20, “Balance Sheet,” have been met.

All of the commodity interests owned by the Master are held for trading purposes. The monthly average number of futures contracts traded during the years ended December 31, 2016 and 2015 were 9,870 and 9,032, respectively. The monthly average number of metals forward contracts traded during the years ended December 31, 2016 and 2015 were 2,184 and 1,180, respectively. The monthly average number of notional values of currency forward contracts traded during the years ended December 31, 2016 and 2015 were $430,381,083 and $199,649,350, respectively.

SECOR Master Fund L.P.

Notes to Financial Statements

The following tables summarize the gross and net amounts recognized relating to assets and liabilities of the Master’s derivatives and their offsetting subject to master netting agreements or similar arrangements as of December 31, 2016 and 2015, respectively.

SECOR Master Fund L.P.

Notes to Financial Statements

The following tables indicate the gross fair values of derivative instruments of futures and forward contracts as separate assets and liabilities as of December 31, 2016 and 2015, respectively.

SECOR Master Fund L.P.

Notes to Financial Statements

SECOR Master Fund L.P.

Notes to Financial Statements

The following table indicates the trading gains and losses, by market sector, on derivative instruments for the years ended December 31, 2016, 2015 and 2014.    

***    This amount is in “Total trading results” in the Statements of Income and Expenses.

Master’s Fair Value Measurements.    Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date under current market conditions. The fair value hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to fair values derived from unobservable inputs (Level 3). The level in the fair value hierarchy within which the fair value measurement in its entirety falls shall be determined based on the lowest level input that is significant to the fair value measurement in its entirety.

The fair value of exchange-traded futures, option and forward contracts is determined by the various exchanges, and reflects the settlement price for each contract as of the close of business on the last business day of the reporting period. The fair value of foreign currency forward contracts is extrapolated on a forward basis from the spot prices quoted as of approximately 3:00 P.M. (E.T.) on the last business day of the reporting period from various exchanges. The fair value of non-exchange-traded foreign currency option contracts is calculated by applying an industry standard model application for options valuation of foreign currency options, using as input the spot prices, interest rates, and option implied volatilities quoted as of approximately 3:00 P.M. (E.T.) on the last business day of the reporting period. U.S. Treasury bills are valued at the last available bid price received from independent pricing services as of the close of the last business day of the reporting period.

The Master considers prices for exchange-traded commodity futures, forwards, swaps and option contracts to be based on unadjusted quoted prices in active markets for identical assets and liabilities (Level 1). The values of U.S. Treasury bills, non-exchange-traded forwards, swaps and certain option contracts for which market quotations are not readily available are priced by broker quotes or pricing services that derive fair values for those assets and liabilities from observable inputs (Level 2). As of and for the years ended December 31, 2016 and 2015, the Master did not hold any derivative instruments that were priced at fair value using unobservable inputs through the application of the General Partner’s assumptions and internal valuation pricing models (Level 3). Transfers between levels are recognized at the end of the reporting period. For the years ended December 31, 2016 and 2015, there were no transfers of assets or liabilities between Level 1 and Level 2.

SECOR Master Fund L.P.

Notes to Financial Statements

Subscriptions are accepted monthly from investors who become limited partners on the first day of the month after their subscriptions are processed. Distributions are made on a pro rata basis at the sole discretion of the General Partner. No distributions have been made to date. The General Partner does not intend to make any distributions of the Master’s profits, except for distribution of interest income to feeder funds, as applicable. Generally, a limited partner withdraws all or part of its capital contribution and undistributed profits, if any, from the Master as of the end of any month (the “Redemption Date”) after a request for redemption has been made to the General Partner at least three days in advance of the Redemption Date. Such withdrawals are classified as a liability when the limited partner elects to redeem and informs the Master. However, a limited partner may request a withdrawal as of the end of any day if such request is received by the General Partner at least three days in advance of the proposed withdrawal day.

Financial highlights for the limited partner class as a whole for the years ended December 31, 2016, 2015 and 2014 were as follows:

SECOR Master Fund L.P.

Notes to Financial Statements

The above ratios and total return may vary for individual investors based on the timing of capital transactions during the year. Additionally, these ratios are calculated for the limited partner class using the limited partners’ share of income, expenses and average partners’ capital.

In the normal course of business, the Master is party to financial instruments with off-balance-sheet risk, including derivative financial instruments and derivative commodity instruments. These financial instruments may include forwards, futures, options and swaps, whose values are based upon an underlying asset, index, or reference rate, and generally represent future commitments to exchange currencies or cash balances, to purchase or sell other financial instruments at specific terms at specified future dates, or, in the case of derivative commodity instruments, to have a reasonable possibility to be settled in cash, through physical delivery or with another financial instrument. These instruments may be traded on an exchange, a swap execution facility or over-the-counter (“OTC”). Exchange-traded instruments include futures and certain standardized forward, swap and option contracts. Certain swap contracts may also be traded on a swap execution facility or OTC. OTC contracts are negotiated between contracting parties and also include certain forward and option contracts. Each of these instruments is subject to various risks similar to those related to the underlying financial instruments, including market and credit risk. In general, the risks associated with OTC contracts are greater than those associated with exchange-traded instruments because of the greater risk of default by the counterparty to an OTC contract. The General Partner estimates that at any given time approximately 23.0% to 50.1% of the Master’s contracts are traded OTC.

Futures Contracts.    The Master trades futures contracts. A futures contract is a firm commitment to buy or sell a specified quantity of investments, currency or a standardized amount of a deliverable grade commodity, at a specified price on a specified future date, unless the contract is closed before the delivery date or if the delivery quantity is something where physical delivery cannot occur (such as the S&P 500 Index), whereby such contract is settled in cash. Payments (“variation margin”) may be made or received by the Master each business day, depending on the daily fluctuations in the value of the underlying contracts, and are recorded as unrealized gains or losses by the Master. When the contract is closed, the Master records a realized gain or loss equal to the difference between the value of the contract at the time it was opened and the value at the time it was closed. Transactions in futures contracts require participants to make both initial margin deposits of cash or other assets and variation margin deposits, through the futures broker, directly with the exchange on which the contracts are traded. Net realized gains (losses) and net change in unrealized gains (losses) on futures contracts are included in the Statements of Income and Expenses.

Forward Foreign Currency Contracts.    Forward foreign currency contracts are those contracts where the Master agrees to receive or deliver a fixed quantity of foreign currency for an agreed-upon price on an agreed-upon future date. Forward foreign currency contracts are valued daily, and the Master’s net equity therein, representing unrealized gain or loss on the contracts as measured by the difference between the forward foreign exchange rates at the dates of entry into the contracts and the forward rates at the reporting date, is included in the Statements of Financial Condition. Net realized gains (losses) and net change in unrealized gains (losses) on foreign currency contracts are recognized in the period in which the contract is closed or the changes occur, respectively, and are included in the Statements of Income and Expenses.

London Metals Exchange Forward Contracts.    Metal contracts traded on the London Metals Exchange (“LME”) represent a firm commitment to buy or sell a specified quantity of aluminum, copper, lead, nickel, tin or zinc. LME contracts traded by the Master are cash settled based on prompt dates published by the LME. Variation margin may be made or received by the Master each business day, depending on the daily fluctuations in the value of the underlying contracts, and are recorded as unrealized gains or losses by the Master. A contract is considered offset when all long positions have been matched with a like number of short positions settling on the same prompt date. When the contract is closed at the prompt date, the Master records a realized gain or loss equal to the difference between the value of the contract at the time it was opened and the value at the time it was closed. Transactions in LME contracts require participants to make both initial margin deposits of cash or other assets and variation margin deposits, through the broker, directly with the LME. Net realized gains (losses) and net change in unrealized gains (losses) on metal contracts are included in the Statements of Income and Expenses.

SECOR Master Fund L.P.

Notes to Financial Statements

The Master does not isolate the portion of the results of operations arising from the effect of changes in foreign exchange rates on investments from fluctuations from changes in market prices of investments held. Such fluctuations are included in total trading results in the Statements of Income and Expenses.

Market risk is the potential for changes in the value of the financial instruments traded by the Master due to market changes, including interest and foreign exchange rate movements and fluctuations in commodity or security prices. Market risk is directly impacted by the volatility and liquidity in the markets in which the related underlying assets are traded. The Master is exposed to market risk equal to the value of futures and forward contracts purchased and unlimited liability on such contracts sold short.

Credit risk is the possibility that a loss may occur due to the failure of a counterparty to perform according to the terms of a contract. The Master’s risk of loss in the event of counterparty default is typically limited to the amounts recognized in the Statements of Financial Condition and is not represented by the contract or notional amounts of the instruments. The Master’s risk of loss is reduced through the use of legally enforceable master netting agreements with counterparties that permit the Master to offset unrealized gains and losses and other assets and liabilities with such counterparties upon the occurrence of certain events. The Master has credit risk and concentration risk, as MS&Co. or an MS&Co. affiliate is the sole counterparty or broker with respect to the Master’s assets. Credit risk with respect to exchange-traded instruments is reduced to the extent that, through MS&Co. or an MS&Co. affiliate, the Master’s counterparty is an exchange or clearing organization.

The General Partner monitors and attempts to control the Master’s risk exposure on a daily basis through financial, credit and risk management monitoring systems and, accordingly, believes that it has effective procedures for evaluating and limiting the credit and market risks to which the Master may be subject. These monitoring systems generally allow the General Partner to statistically analyze actual trading results with risk-adjusted performance indicators and correlation statistics. In addition, online monitoring systems provide account analysis of futures, forward and option contracts by sector, margin requirements, gain and loss transactions and collateral positions.

The majority of these instruments mature within one year of the inception date. However, due to the nature of the Master’s business, these instruments may not be held to maturity.

As of January 1, 2017, the General Partner became a wholly-owned subsidiary of Morgan Stanley Domestic Holdings, Inc. (“MSD Holdings”). Prior to January 1, 2017, the General Partner was a wholly-owned subsidiary of MSSB Holdings. MSD Holdings is ultimately owned by Morgan Stanley.

The General Partner has evaluated the subsequent events through the date the financial statements are issued and has determined that there were no additional subsequent events requiring adjustment to or disclose in the financial statements.