Exhibit 4.5

Certificate Number [●]	CONCURRENT COMPUTER CORPORATION	*[●]* Shares
	A Delaware Corporation	Series B Junior Participating
		Preferred Stock

THIS CERTIFIES THAT [●] is the record holder of [●] shares of Series B Junior Participating Preferred Stock, par value $0.01 per share, of CONCURRENT COMPUTER CORPORATION (the “Corporation”), which are transferable only on the share register of the Corporation by the holder, in person or by duly authorized attorney, upon surrender of this certificate properly endorsed or assigned.

This certificate and the shares represented hereby shall be held subject to all of the provisions of the Certificate of Incorporation and the Bylaws of said Corporation and any amendments thereto, a copy of each of which is on file at the office of the Corporation and made a part hereof as fully as though the provisions of said Certificate of Incorporation and Bylaws were imprinted in full on this Certificate, to all of which the holder of this Certificate, by acceptance hereof, assents and agrees to be bound.

A statement of all of the powers, rights, designations, preferences, privileges, restrictions and relative, participating, optional or other special rights granted to or imposed upon the respective classes and/or series of shares of stock of the Corporation and upon the holders thereof and the qualifications, limitations or restrictions of such preferences and/or rights may be obtained by any stockholder upon request and without charge at the principal office of the Corporation and the Corporation will furnish any stockholder, upon request and without charge, a copy of such statement.

WITNESS the signatures of its duly authorized officers this ______ day of ___________, 20__.

[●], Secretary [●], Chief Executive Officer

FOR VALUE RECEIVED _____________________________________________ HEREBY SELLS, ASSIGNS AND TRANSFERS UNTO _______________________________________________ SHARES REPRESENTED BY THE WITHIN CERTIFICATE AND DOES HEREBY IRREVOCABLY CONSTITUTE AND APPOINT ____________________________ ATTORNEY TO TRANSFER THE SAID SHARES ON THE SHARE REGISTER OF THE WITHIN NAMED CORPORATION WITH FULL POWER OF SUBSTITUTION IN THE PREMISES.

DATED ____________, 20___

IN PRESENCE OF __________________________________

Stockholder

NOTICE: THE SIGNATURE ON THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THIS CERTIFICATE, IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT, OR ANY CHANGE WHATEVER.