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FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Eos Energy Enterprises, Inc.
		CENTRAL INDEX KEY:			0001805077
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

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		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-298669
		FILM NUMBER:		261347052

	BUSINESS ADDRESS:	
		STREET 1:		TWO ALLEGHENY CENTER
		STREET 2:		NOVA TOWER 2
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15212
		BUSINESS PHONE:		(732) 225-8400

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		STREET 1:		TWO ALLEGHENY CENTER
		STREET 2:		NOVA TOWER 2
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15212

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	B. Riley Principal Merger Corp. II
		DATE OF NAME CHANGE:	20200227
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