MEMBRANE SUPPORT SYSTEM

DEI SALES, INC., DEI HOLDINGS, INC., SOUND UNITED, LLC, POLK AUDIO, LLC, DEFINITIVE TECHNOLOGY, LLC, D&M HOLDINGS U.S. INC., THE SPEAKER COMPANY, DENEN ELECTRONICS (USA), LLC, MARANTZ AMERICA, LLC, D & M SALES & MARKETING AMERICAS LLC, D&M DIRECT, INC., BOSTON ACOUSTICS, INC., D&M PREMIUM SOUD SOLUTIONS, LLC, EQUITY INTERNATIONAL LLC

from BANK OF AMERICA, N.A., AS COLLATERAL AGENT

RELEASE OF SECURITY INTEREST IN PATENT COLLATERAL (REEL/FRAME 056193/0207) Recorded 2022-04-12

DEI SALES, INC., DEI HOLDINGS, INC., SOUND UNITED, LLC, POLK AUDIO, LLC, DEFINITIVE TECHNOLOGY, LLC, D&M HOLDINGS U.S. INC., THE SPEAKER COMPANY, DENEN ELECTRONICS (USA), LLC, MARANTZ AMERICA, LLC, D & M SALES & MARKETING AMERICAS LLC, D&M DIRECT, INC., BOSTON ACOUSTICS, INC., D&M PREMIUM SOUD SOLUTIONS, LLC, EQUITY INTERNATIONAL LLC

from BANK OF AMERICA, N.A., AS COLLATERAL AGENT

RELEASE OF SECURITY INTEREST IN PATENT COLLATERAL (REEL/FRAME 056193/0230) Recorded 2022-04-12

POLK AUDIO, LLC, DIRECTED, LLC, DEFINITIVE TECHNOLOGY, LLC, BOSTON ACOUSTICS, INC., D&M EUROPE B.V., B & W GROUP LTD, SOUND UNITED, LLC, B & W LOUDSPEAKERS LTD, D&M HOLDINGS INC.

from CERBERUS BUSINESS FINANCE, LLC, AS AGENT

RELEASE OF SECURITY INTEREST IN INTELLECTUAL PROPERTY Recorded 2022-02-14

BANK OF AMERICA, N.A., AS COLLATERAL AGENT

from BOSTON ACOUSTICS, INC., D & M SALES & MARKETING AMERICAS LLC, D&M DIRECT, INC., D&M HOLDINGS U.S. INC., D&M PREMIUM SOUND SOLUTIONS, LLC, DEFINITIVE TECHNOLOGY, LLC, DEI HOLDINGS, INC., DEI SALES, INC., DENON ELECTRONICS (USA), LLC, EQUITY INTERNATIONAL LLC, MARANTZ AMERICA LLC, POLK AUDIO, LLC, SOUND UNITED, LLC, THE SPEAKER COMPANY

ABL PATENT SECURITY AGREEMENT Recorded 2021-05-10

BANK OF AMERICA, N.A., AS COLLATERAL AGENT

from BOSTON ACOUSTICS, INC., D & M SALES & MARKETING AMERICAS LLC, D&M DIRECT, INC., D&M HOLDINGS U.S. INC., D&M PREMIUM SOUND SOLUTIONS, LLC, DEFINITIVE TECHNOLOGY, LLC, DEI HOLDINGS, INC., DEI SALES, INC., DENON ELECTRONICS (USA), LLC, EQUITY INTERNATIONAL LLC, MARANTZ AMERICA LLC, POLK AUDIO, LLC, SOUND UNITED, LLC, THE SPEAKER COMPANY

FIRST LIEN PATENT SECURITY AGREEMENT Recorded 2021-05-10

CERBERUS BUSINESS FINANCE, LLC, AS THE COLLATERAL AGENT

from B & W GROUP LTD, BOSTON ACOUSTICS, INC., D&M EUROPE B.V., D&M HOLDINGS U.S. INC., DEFINITIVE TECHNOLOGY, LLC, DEI SALES, INC., POLK AUDIO, LLC

NOTICE OF SECURITY INTEREST - PATENTS Recorded 2020-10-09

CERBERUS BUSINESS FINANCE, LLC, AS COLLATERAL AGENT

from BOSTON ACOUSTICS, INC., D&M HOLDINGS U.S. INC., DEFINITIVE TECHNOLOGY, LLC, DIRECTED, LLC, POLK AUDIO, LLC, SOUND UNITED, LLC

NOTICE OF SECURITY INTEREST -- PATENTS Recorded 2017-03-08

POLK AUDIO, LLC, BOOM MOVEMENT, LLC, DEFINITIVE TECHNOLOGY, LLC, DIRECTED, LLC

from WELLS FARGO BANK, NATIONAL ASSOCIATION (AS SUCCESSOR AGENT TO FS INVESTMENT CORPORATION)

RELEASE OF SECURITY INTEREST IN PATENTS Recorded 2017-03-08

VIPER BORROWER CORPORATION, INC., VIPER HOLDINGS CORPORATION, VIPER ACQUISITION CORPORATION, DEI SALES, INC., DEI HOLDINGS, INC., DEI INTERNATIONAL, INC., DEI HEADQUARTERS, INC., POLK HOLDING CORP., POLK AUDIO, INC., POLK AUDIO, LLC, BOOM MOVEMENT, LLC, DEFINITIVE TECHNOLOGY, LLC, DIRECTED, LLC

from ANTERES CAPITAL LP (AS SUCCESSOR BY ASSIGNMENT TO GENERAL ELECTRIC CAPITAL CORPORATION)

PATENT RELEASE AND REASSIGNMENT Recorded 2017-03-06

ANTARES CAPITAL LP

from GENERAL ELECTRIC CAPITAL CORPORATION

ASSIGNMENT OF PATENT SECURITY AGREEMENT Recorded 2015-09-25

GENERAL ELECTRIC CAPITAL CORPORATION, AS US AGENT

from BOOM MOVEMENT, LLC, DEFINITIVE TECHNOLOGY, LLC, DIRECTED, LLC, POLK AUDIO, LLC

SECURITY INTEREST Recorded 2014-04-08

WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT

from BOOM MOVEMENT, LLC, DEFINITIVE TECHNOLOGY, LLC, DIRECTED, LLC, POLK AUDIO, LLC

SECURITY INTEREST Recorded 2014-04-08

DEFINITIVE TECHNOLOGY, LLC

from DEI HEADQUARTERS, INC.

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded 2014-03-23

GENERAL ELECTRIC CAPITAL CORPORATION

from DEI HEADQUARTERS, INC., DEI HOLDINGS, INC., DEI INTERNATIONAL, INC., DEI SALES, INC., POLK AUDIO, INC., POLK HOLDING CORPORATION, VIPER ACQUISITION CORPORATION, VIPER BORROWER CORPORATION, VIPER HOLDINGS CORPORATION

SECURITY AGREEMENT Recorded 2011-07-13

DEI HEADQUARTERS, INC

from BRUNEY, PAUL F.

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded 2007-09-27