Eaton Vance Senior Income Trust announces a share repurchase program. Under the offer, the company will repurchase upto 22,719,965 shares, representing 60% of its outstanding common shares. The offer will be conducted at a price per share equal to 99% of such Fund's net asset value ("NAV") per share as of the close of regular trading on the New York Stock Exchange (NYSE) on the date the Tender Offer expires. The Fund expects to borrow money to finance a portion of the purchase of tendered shares under a credit agreement that it currently has in place with State Street Bank and Trust company. Other sources of funds for the purchase of tendered shares include cash on hand and the liquidation of portfolio instruments. If more shares than the offer amount are properly tendered and not withdrawn prior to the expiration date, the fund will purchase the offer amount on a pro rata basis. The offer will expire on July 30, 2021 or on such later date to which the offer is extended.