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FOR IMMEDIATE RELEASE October 25 , 2021 CONTACT : Investors - ( 301 ) 968-9300 Media - ( 301 ) 968-9303 O O AGNC Bethesda , MD - October 25 , 2021 - AGNC Investment Corp. ( " AGNC " or the " Company " ) ( Nasdaq : AGNC ) today announced financial results for the quarter ended September 30 , 2021 . O INVESTMENT CORP THIRD QUARTER 2021 FINANCIAL HIGHLIGHTS • $ 0.37 comprehensive income per common share , comprised of : $ 0.35 net income per common share $ 0.02 other comprehensive income ( " OCI " ) per common share on investments marked - to market through OCI • $ 0.75 net spread and dollar roll income per common share , excluding estimated " catch - up " premium amortization cost Includes $ 0.33 per common share of dollar roll income associated with the Company's $ 30.3 billion average net long position in forward purchases and sales of Agency mortgage - backed securities ( " MBS " ) in the " to - be - announced " ( " TBA " ) market Excludes less than $ ( 0.01 ) per common share of estimated " catch - up " premium amortization cost due to change in projected constant prepayment rate ( " CPR " ) estimates • $ 16.41 tangible net book value per common share as of September 30 , 2021 ● Increased $ 0.02 per common share , or 0.1 % , from $ 16.39 per common share as of June 30 , 2021 O O AGNC INVESTMENT CORP . ANNOUNCES THIRD QUARTER 2021 FINANCIAL RESULTS O Exhibit 99.1 $ 0.36 dividends declared per common share for the third quarter • 2.3 % economic return on tangible common equity for the quarter Comprised of $ 0.36 dividends per common share and $ 0.02 increase in tangible net book value per common share