Exhibit 99.1

SCHEDULE A

Directors and Executive Officers of Investor AB

Name	Position	Citizenship	Present Principal Occupation	Business Address
Jacob Wallenberg	Chairman	Swedish	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Marcus Wallenberg	Vice Chairman, Director	Swedish	Director of various companies	Arsenalsgatan 4, SE-103 22 Stockholm, Sweden
Christian Cederholm	CEO, Director	Swedish	Chief Executive Officer, President, and Director, Investor AB	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Katarina Berg	Director	Swedish	Chief Human Resources Officer: Spotify; Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Gunnar Brock	Director	Swedish	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Tom Johnstone	Director	British and Swedish	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Magdalena Gerger	Director	Swedish	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Grace Reksten Skaugen	Director	Norwegian	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Hans Stråberg	Director	Swedish	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Isabelle Kocher	Director	French	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Sara Öhrvall Conradi	Director	Swedish	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Sven Nyman	Director	Swedish	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Mats Rahmström	Director	Swedish	Director of various companies	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Petra Hedengran	Managing Director	Swedish	General Counsel, Head of Corporate Governance and responsible for investments in EQT funds, Investor AB	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Thomas Kidane	Managing Director	Swedish	Co-Head of Patricia Industries	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Yuriy Prilutskiy	Managing Director	American	Co-Head of Patricia Industries	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Jenny Ashman Haquinius	Managing Director	Swedish	Chief Financial Officer, Investor AB	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Daniel Nodhäll	Managing Director	Swedish	Head of Listed Companies, Investor AB	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Jacob Lund	Managing Director	Swedish and Norwegian	Chief Communications & Sustainability Officer, Investor AB	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden
Jessica Häggström	Managing Director	Swedish	Head of Human Resources, Investor AB	Arsenalsgatan 8C, SE-103 32 Stockholm, Sweden

ERICSSON LM TELEPHONE CO SCHEDULE 13D/A