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SES AI Announces Inclusion in Russell 3000®Index

WOBURN, Mass.--(BUSINESS WIRE)--SES AI Corporation (“SES AI,” the “Company,” “we” or “us”) (NYSE: SES), a global leader in the development and manufacturing of AI-enhanced high-performance Li-Metal and Li-ion batteries, today announced that it has been added to the Russell 3000® Index. The newly reconstituted Russell 3000® Index will begin trading at the market open on Monday, June 29, 2026.

Russell indexes are widely used by investment managers and institutional investors for index funds and as benchmarks for active investment strategies. According to data as of the end of June 2025, about $12.2 trillion in assets are benchmarked against the Russell US indexes, which belong to FTSE Russell, the global index provider.

For more information on the Russell indexes reconstitution, visit the FTSE Russell website at https://www.lseg.com/en/ftse-russell/russell-reconstitution.

About SES AI

SES AI Corp. (NYSE: SES) is powering the future of global electric transportation on land and in the air with the world’s most advanced Li-Metal batteries. SES AI is the first battery company in the world to accelerate its pace of innovation by utilizing superintelligent AI across the spectrum of its business, from research and development; materials sourcing; cell design; engineering and manufacturing; to battery health and safety monitoring. Founded in 2012, SES AI is an Li-Metal battery developer and manufacturer headquartered in Boston and with operations in Singapore, Shanghai, and Seoul. Learn more at SES.AI.

Contacts

For the media: pr@ses.ai
For investors: ir@ses.ai

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Contacts

For the media: pr@ses.ai
For investors: ir@ses.ai

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