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※ TRUSTCO Bank Corp NY 5 Sarnowski Drive , Glenville , New York , 12302 ( 518 ) 377-3311 Fax : ( 518 ) 381-3668 Subsidiary : Trustco Bank Contact : Robert Leonard Executive Vice President and Chief Risk Officer ( 518 ) 381-3693 FOR IMMEDIATE RELEASE : Exhibit 99 ( a ) News Release NASDAQ TRST TrustCo is Pleased to Report First Quarter 2021 Results ; Net Income of $ 14.1 Million and 5.2 % Average Residential Loan Growth Year over Year Glenville , New York - April 21 , 2021 TrustCo Bank Corp NY ( TrustCo , NASDAQ : TRST ) today announced first quarter 2021 net income of $ 14.1 million or $ 0.146 diluted earnings per share . Average residential loan growth increased 5.2 % or $ 187.5 million for the first quarter 2021 compared to the first quarter 2020 . Summary Robert J. McCormick , Chairman , President and Chief Executive Officer noted , “ Trustco Bank has remained a “ hometown bank ” for thousands of our customers and community members during one of our nation's most challenging years . Over the last year , we prioritized strengthening our communities and adapting our offerings to address the changing needs of our customers during the COVID - 19 pandemic . Despite the uncertainty , our reliable and consistent approach has left us well - positioned to help our customers through this economic disruption and turmoil . " Overall we are very pleased to share that TrustCo now has assets in excess of $ 6 billion . Our Northeast region has steadfastly maintained our core franchise in an area that we have served for decades . Additionally , our Florida region passed two major milestones , reaching over $ 1 billion in deposits and $ 1 billion in loans . Our Financial Services Department also has over $ 1 billion in assets under management . As we enter a traditionally busy season for residential lending , the Bank is ready to deploy its existing liquidity into our residential loan portfolio and we will be paying close attention to how the market changes . We also continue to closely monitor the impact of the pandemic on our business and results of operations . We have been encouraged to see that most of our residential and commercial borrowers who had payment deferral arrangements with us have returned to making regular loan payments . As of March 31 , 2021 , loans in deferral were not material . Additionally , the Bank had funded 663 Paycheck Protection Program ( “ PPP ” ) loans totaling $ 46 million in 2020 , and an additional $ 17 million in the first quarter of 2021. As of March 31 , 2021 , 531 PPP loans totaling $ 37 million remain outstanding . Page | 1