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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
887969	Mrv Communications Inc	MRVC.PK	Semiconductors & Related Devices (3674)	061340090

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1345051	H Kenneth Stein Shubin	20415 Nordhoff Street Chatsworth CA 91311		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2010-06-15	2,000	$1.27	128,403	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2010-06-15	18,000	$1.28	146,403	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2010-06-15	15,000	$1.29	161,403	No	4	P	Indirect	See Footnote
Common Stock	Acquisiton	2010-06-15	65,000	$1.30	226,403	No	4	P	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	See Footnote
No	4	P	Indirect	See Footnote
No	4	P	Indirect	See Footnote
No	4	P	Indirect	See Footnote

Footnotes

Spencer Capital Select Fund, LP, of which Dr. Shubin Stein is the 100% beneficial owner, purchased 100,000 shares of MRV Communications, Inc.'s common stock on June 15, 2010. In addition, Dr. Shubin Stein, as managing member of Spencer Capital Partners, LLC and Spencer Capital Management, LLC has the right to vote the investments held by Spencer Capital Opportunity Fund, LP, and may be deemed to be the beneficial owner of 126,403 shares owned by Spencer Capital Opportunity Fund, LP. Spencer Capital Management, LLC, as an investment management firm for Spencer Capital Opportunity Fund, LP and Spencer Capital Partners, LLC, as the general partner of Spencer Capital Opportunity Fund, LP, may be deemed to be the beneficial owner of the 126,403 shares owned by Spencer Capital Opportunity Fund, LP.