Exhibit 99.1

Anworth Reports Second Quarter 2018 Financial Results

SANTA MONICA, Calif.--(BUSINESS WIRE)--August 2, 2018--Anworth Mortgage Asset Corporation (NYSE: ANH) (the “Company”) today reported its financial results for the second quarter ended June 30, 2018.

Earnings

The following table summarizes the Company’s core earnings, GAAP net income to common stockholders, and comprehensive income for the three months ended June 30, 2018:

Core earnings is a non-GAAP financial measure, which is explained and reconciled to GAAP net income to common stockholders in the section entitled “Non-GAAP Financial Measures Related to Operating Results” near the end of this earnings release. Comprehensive income is shown on the consolidated statements of comprehensive income, which is included in this earnings release. Comprehensive income consists of the net income to all stockholders (including the amounts paid to preferred stockholders) and the change in other comprehensive income.

Portfolio

At June 30, 2018 and December 31, 2017, the composition of the Company’s portfolio at fair value was as follows (dollar amounts in thousands):

Agency MBS

At June 30, 2018, the allocation of the Company’s agency mortgage-backed securities (“Agency MBS”) was approximately 39% adjustable-rate and hybrid adjustable-rate Agency MBS, 44% fixed-rate Agency MBS, and 17% fixed-rate TBA Agency MBS. At December 31, 2017, the allocation of the Company’s Agency MBS was approximately 42% adjustable-rate and hybrid adjustable-rate Agency MBS, 43% fixed-rate Agency MBS, and 15% fixed-rate TBA Agency MBS, both periods of which are detailed below (dollar amounts in thousands):

At June 30, 2018 and December 31, 2017, the summary statistics of the Company’s Agency MBS portfolio were as follows:

At June 30, 2018 and December 31, 2017, the constant prepayment rate (“CPR”) and weighted average term to next interest rate reset of our Agency MBS were as follows:

Non-Agency MBS

Our Non-Agency MBS were either issued before 2008 or were recently issued and are collateralized by currently non-performing residential mortgage loans that were originated before 2008. The following tables summarize the Company’s Non-Agency MBS at June 30, 2018 and December 31, 2017 (dollar amounts in thousands):

Residential Mortgage Loans

The following table summarizes the Company’s residential mortgage loans held-for-investment at June 30, 2018 and December 31, 2017 (in thousands):

Residential Real Estate

At June 30, 2018 and December 31, 2017, Anworth Properties Inc. owned 88 single-family residential rental properties located in Southeastern Florida that were carried at a total cost, net of accumulated depreciation, of $14.0 million and $14.1 million, respectively.

MBS Portfolio Financing

Portfolio Leverage

At June 30, 2018, the Company’s leverage multiple was 5.92x. The leverage multiple is calculated by dividing the Company’s repurchase agreements outstanding by the aggregate of common stockholders’ equity plus preferred stock and junior subordinated notes. The Company’s effective leverage, which includes the effect of TBA dollar roll financing, was 7.04x at June 30, 2018. At December 31, 2017, the Company’s leverage multiple was 5.94x and the effective leverage was 6.97x.

Interest Rate Swaps

At June 30, 2018 and December 31, 2017, the Company’s interest rate swap agreements (“Swaps”) had the following notional amounts, weighted average fixed rates, and remaining terms (dollar amounts in thousands):

Effective Net Interest Rate Spread

Certain components of the effective net interest rate spread are non-GAAP financial measures, which are explained and reconciled to the nearest comparable GAAP financial measures in the section entitled “Non-GAAP Financial Measures Related to Operating Results” at the end of this earnings release.

Dividend

On June 15, 2018, the Company declared a quarterly common stock dividend of $0.14 per share for the second quarter ended June 30, 2018. Based upon the closing price of $4.97 on June 29, 2018, the annualized dividend yield on the Company’s common stock at June 30, 2018 was 11.3%.

Book Value per Common Share

At June 30, 2018, the Company’s book value was $5.33 per share of common stock, which was a decrease of $0.15 from the book value of $5.48 for the prior quarter.

The $0.14 quarterly dividend, less the decrease in book value of $0.15, resulted in a negative return on book value per common share of (0.18)% for the three months ended June 30, 2018.

Subsequent Events

Effective July 2, 2018, the conversion rate of our Series B Preferred Stock increased from 5.0453 shares of our common stock to 5.1021 shares of our common stock, based upon the common stock dividend of $0.14 that was declared on June 15, 2018.

From July 2, 2018 through August 2, 2018, no interest rate swaps matured and we added two new interest rate swaps with an aggregate notional amount of $50 million.

Conference Call

The Company will host a conference call on Friday, August 3, 2018 at 1:00 PM Eastern Time, 10:00 AM Pacific Time, to discuss its second quarter 2018 financial results. The dial-in number for the conference call is 877-504-2731 for U.S. callers (international callers should dial 412-902-6640 and Canadian callers should dial 855-669-9657). When dialing in, participants should ask to be connected to the Anworth Mortgage earnings call. Replays of the call will be available for a 7-day period commencing at 3:00 PM Eastern Time on August 3, 2018. The dial-in number for the replay is 877-344-7529 for U.S. callers (Canadian callers should dial 855-669-9658 and international callers should dial 412-317-0088) and the conference number is 10122821. The conference call will also be webcast live over the Internet, which can be accessed on the Company’s website at http://www.anworth.com through the corresponding link located at the top of the home page.

Investors interested in participating in the Company’s Dividend Reinvestment and Stock Purchase Plan (the “DRP Plan”) or receiving a copy of the DRP Plan’s prospectus may do so by contacting the Plan Administrator, American Stock Transfer & Trust Company, at 877-248-6410. For more information about the DRP Plan, interested investors may also visit the Plan Administrator’s website at http://www.amstock.com/investpower/new_dp.asp or the Company’s website at http://www.anworth.com.

About Anworth Mortgage Asset Corporation

Anworth is an externally-managed mortgage real estate investment trust. We invest primarily in mortgage-backed securities that are either rated “investment grade” or are guaranteed by federally sponsored enterprises, such as Fannie Mae or Freddie Mac. We seek to generate income for distribution to our shareholders primarily based on the difference between the yield on our mortgage assets and the cost of our borrowings. We are managed by Anworth Management LLC (our “Manager”), pursuant to a management agreement. Our Manager is subject to the supervision and direction of our Board of Directors and is responsible for (i) the selection, purchase, and sale of our investment portfolio; (ii) our financing and hedging activities; and (iii) providing us with management services and other services and activities relating to our assets and operations as may be appropriate. Our common stock is traded on the New York Stock Exchange under the symbol “ANH.” Anworth is a component of the Russell 2000® Index.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995

This news release may contain forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are based upon our current expectations and speak only as of the date hereof. Forward-looking statements, which are based on various assumptions (some of which are beyond our control) may be identified by reference to a future period or periods or by the use of forward-looking terminology, such as “may, ” “will, ” “believe, ” “expect, ” “anticipate, ” “assume,” “estimate,” “intend,” “continue, ” or other similar terms or variations on those terms or the negative of those terms. Our actual results may differ materially and adversely from those expressed in any forward-looking statements as a result of various factors and uncertainties, including but not limited to, changes in interest rates; changes in the market value of our mortgage-backed securities; changes in the yield curve; the availability of mortgage-backed securities for purchase; increases in the prepayment rates on the mortgage loans securing our mortgage-backed securities; our ability to use borrowings to finance our assets and, if available, the terms of any financing; risks associated with investing in mortgage-related assets; changes in business conditions and the general economy; implementation of or changes in government regulations affecting our business; our ability to maintain our qualification as a real estate investment trust for federal income tax purposes; our ability to maintain an exemption from the Investment Company Act of 1940, as amended; risks associated with our home rental business; and the Manager’s ability to manage our growth. Our Annual Report on Form 10-K and other SEC filings discuss the most significant risk factors that may affect our business, results of operations and financial condition. We undertake no obligation to revise or update publicly any forward-looking statements for any reason.

Non-GAAP Financial Measures Related to Operating Results

In addition to the Company’s operating results presented in accordance with GAAP, the following tables include the following non-GAAP financial measures: core earnings (including per common share), total interest income, and average asset yield, including TBA dollar roll income, paydown expense on Agency MBS, and effective total interest expense and effective cost of funds. The first table below reconciles the Company’s “net income to common stockholders” for the three months ended June 30, 2018 to “core earnings” for the same period. Core earnings represents “net income to common stockholders” (which is the nearest comparable GAAP measure), adjusted for the items shown in the table below. The second table below reconciles the Company’s total interest and other income for the three months ended June 30, 2018 (which is the nearest comparable GAAP measure) to the total interest income and average asset yield, including TBA dollar roll income and paydown expense on Agency MBS, and shows the annualized amounts as a percentage of the Company’s average earning assets and also reconciles the Company’s total interest expense (which is the nearest comparable GAAP measure) to the effective total interest expense and effective cost of funds and shows the annualized amounts as a percentage of the Company’s average borrowings.

The Company’s management believes that:

• these non-GAAP financial measures are useful because they provide investors with greater transparency to the information that the Company uses in its financial and operational decision-making process;
• the inclusion of paydown expense on Agency MBS is more indicative of the current earnings potential of the Company’s investment portfolio, as it reflects the actual principal paydowns which occurred during the period. Paydown expense on Agency MBS is not dependent on future assumptions on prepayments or the cumulative effect from prior periods of any current changes to those assumptions, as is the case with the GAAP measure, “Premium amortization on MBS”;
• the adjustment for an impairment charge on Non-Agency MBS is more reflective of current core earnings, as this charge represents future loss expectations;
• the adjustment for depreciation expense on residential rental properties is a non-cash item and is added back by other companies to derive core earnings or funds from operations; and
• the presentation of these measures, when analyzed in conjunction with the Company’s GAAP operating results, allows investors to more effectively evaluate the Company’s performance to that of its peers, particularly those that have discontinued hedge accounting and those that have used similar portfolio and derivative strategies.

These non-GAAP financial measures should not be used as a substitute for the Company’s operating results for the three months ended June 30, 2018. An analysis of any non-GAAP financial measure should be used in conjunction with results presented in accordance with GAAP.

Core Earnings

Effective Net Interest Rate Spread

CONTACT:
Anworth Mortgage Asset Corporation
John T. Hillman
1299 Ocean Avenue, Second Floor
Santa Monica, CA 90401
(310) 255-4438 or (310) 255-4493
Email: jhillman@anworth.com
Web site: http://www.anworth.com