X0306 4 2015-12-31 1 0001473597 STR HOLDINGS, INC. STRI 0001465967 Radziewicz Joseph C 10 WATER STREET ENFIELD CT 06082 1 Vice President & CFO The reporting person resigned as STR Holdings, Inc.'s Vice President, Chief Financial Officer and Chief Accounting Officer effective December 31, 2015. As a result, the reporting person is no longer subject to Section 16 in connection with his transactions in the equity securities of STR Holdings, Inc. and therefore will no longer report any such transactions on Form 4 or Form 5. /s/ Jospeh C. Radziewicz 2015-12-31