Eos Energy Enterprises Seaport Research Partners December 14, 2021 Eos. Positively ingenious. 2 Disclaimer Forward-Looking Statements and Investment Considerations This presentation includes "forward-looking statements" within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1996. The actual results of Eos Energy Enterprises, Inc. ("Eos") may differ from its expectations, estimates and projections and consequently, you should not rely on these forward-looking st ...

Eos Energy Enterprises Q3 2021 Financial Results November 10, 2021 Eos. Positively ingenious. 2 Disclaimer Forward-Looking Statements and Investment Considerations This presentation includes "forward-looking statements" within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1996. The actual results of Eos Energy Enterprises, Inc. ("Eos") may differ from its expectations, estimates and projections and consequently, you should not rely on these forward-looking st ...

Eos Energy Enterprises Inc. (NASDAQ:EOSE) Q3 2021 Earnings Conference Call November 10, 2021 8:30 AM ET Company Participants Joe Mastrangelo - Chief Executive Officer Sagar Kurada - Chief Financial Officer Laura Ellis - Vice President, Investor Relations Conference Call Participants Chris Souther - B. Riley Tom Curran - Seaport Research Partners Martin Malloy - Johnson Rice & Company Operator Greetings. Welcome to the Eos Energy Enterprises Inc. third quarter 2021 earnings call. At this time, all participan ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-39291 EOS ENERGY ENTERPRISES, INC. (Exact name of registrant as specified in its charter) Delaware 08-7654 ...

Eos Energy Enterprises Q2 2021 Financial Results August 11, 2021 Eos. Positively ingenious. 2 Disclaimer Forward-Looking Statements and Investment Considerations This presentation includes "forward-looking statements" within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1996. The actual results of Eos Energy Enterprises, Inc. ("Eos") may differ from its expectations, estimates and projections and consequently, you should not rely on these forward-looking stat ...

Eos Energy Enterprises, Inc. (NASDAQ:EOSE) Q2 2021 Earnings Conference Call August 11, 2021 8:30 AM ET Company Participants Jared Ehm - Investor Relations Joe Mastrangelo - Chief Executive Officer Sagar Kurada - Chief Financial Officer Conference Call Participants Chris Souther - B. Riley Subash Chandra - Northland Securities Tom Curran - Seaport Research Partners Operator Greetings and welcome to Eos Energy Enterprises Second Quarter 2021 Conference Call. At this time, all participants are in a listen-only ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-39291 EOS ENERGY ENTERPRISES, INC. (Exact name of registrant as specified in its charter) Delaware 08-7654321 ( ...

Eos Energy Enterprises, Inc. (NASDAQ:EOSE) Q1 2021 Earnings Conference Call May 12, 2021 8:30 AM ET Company Participants Jared Ehm - Investor Relations Joe Mastrangelo - Chief Executive Officer Sagar Kurada - Chief Financial Officer Conference Call Participants Chris Souther - B Riley Subash Chandra - Northland Securities Operator Greetings. Welcome to Eos Energy Enterprises First Quarter 2021 Earnings Call. At this time, all participants are in a listen-only mode. A question-and-answer session will follow ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-39291 EOS ENERGY ENTERPRISES, INC. (Exact name of registrant as specified in its charter) Delaware 08-7654321 ...

Eos Energy Enterprises Q1 2021 Financial Results May 12, 2021 Eos. Positively ingenious. 2 Disclaimer Forward-Looking Statements and Investment Considerations This presentation includes "forward-looking statements" within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1996. The actual results of Eos Energy Enterprises, Inc. ("Eos") may differ from its expectations, estimates and projections and consequently, you should not rely on these forward-looking stateme ...