UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT Pursuant to Section 13 ORor 15(d) of ~~The~~the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 1314, 2010

PRIME GROUP REALTY TRUST (Exact name of registrant as specified in its charter)

(Exact name of registrant as specified in its charter)


MARYLAND	1-13589	36-4173047
(State or other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

MARYLAND	1-13589	36-4173047
330 North Wabash Avenue, Suite 2800, Chicago, Illinois	60611
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)
(Address of Principal Executive Offices)	(Zip Code)

330 North Wabash Avenue, Suite 2800, Chicago, Illinois		60611
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code:

~~Registrant’s~~NOT ~~telephone~~APPLICABLE ~~number,~~(Former ~~including~~name ~~area~~or ~~code:~~former ~~(312)~~address ~~917-1300~~if changed since last report.)

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

OnITEM ~~May 13, 2010, Prime Group Realty Trust (the “Company”) announced its consolidated financial results for the first quarter ended March 31, 2010~~5.02 ~~The~~DEPARTURE ~~Press~~OF ~~Release~~DIRECTORS ~~will~~OR beCERTAIN ~~available~~OFFICERS; onELECTION ~~the Company’s~~OF ~~Internet~~DIRECTORS; ~~website~~APPOINTMENT ~~(www.pgrt.com)~~OF ~~and~~CERTAIN ~~will~~OFFICERS; ~~also~~COMPENSATORY beARRANGEMENTS ~~available~~OF ~~upon~~CERTAIN ~~request as specified therein.~~ OFFICERS

~~Copies~~On ofMay 14, ~~the~~2010, ~~Company~~Mr. Jeremy Zednick’s ~~first~~employment ~~quarter~~with ~~ended~~Prime ~~March 31,~~Group ~~2010~~Realty ~~earnings~~Trust ~~press~~(the ~~release~~“Company”), isas ~~furnished~~the Company’s Vice asPresident ~~Exhibit 99.1~~– ~~hereto,~~Corporate Accounting and isthe ~~incorporated~~principal ~~herein~~accounting byofficer ~~reference.~~of ~~The~~the ~~information~~Company, ~~contained~~ended. inMr. Zednick’s ~~this~~departure ~~current~~occurred ~~report~~in onconnection ~~Form~~with ~~8-K,~~the ~~including~~previously ~~Exhibit 99.1,~~announced ~~shall~~and ~~not~~pending bevoluntary ~~deemed~~delisting toby bethe ~~“filed”~~Company ~~with~~of ~~the~~its 9% Series B ~~Securities~~Cumulative ~~and~~Redeemable ~~Exchange~~Preferred ~~Commission~~Shares ~~nor~~(the ~~incorporated~~“Series B byPreferred ~~reference~~Shares”) ~~into~~from ~~any~~the ~~registration~~New ~~statement~~York Stock Exchange and the ~~filed~~voluntary deregistration by the Company of the Series B Preferred Shares under the Securities and Exchange Act of ~~1933~~1934, as amended,. orThe ~~into~~Company’s ~~any~~Board ~~proxy~~of ~~statement~~Trustees ~~or other~~approved ~~report~~the ~~filed~~delisting byand deregistration of the ~~Company~~Series B ~~under~~Preferred Shares in order to save significant costs associated with compliance with these regulatory provisions. After May 14, 2010 and until further notice, Mr. Paul G. Del Vecchio, the ~~Securities~~Company’s ~~Exchange~~Executive ~~Act~~Vice ofPresident ~~1934~~– Capital Markets, will also serve as ~~amended~~chief accounting officer of the Company.

~~ITEM~~This 9Form 8-K filing contains certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that reflect management’s current views with respect to future events and financial performance.01 ~~FINANCIAL~~The ~~STATEMENTS~~words ~~AND~~“believes”, ~~EXHIBITS~~“expects”, “anticipates”, “estimates”, and similar words or expressions are generally intended to identify forward-looking statements. Actual results may differ materially from those expected because of various risks and uncertainties, including, but not limited to, changes in general economic conditions, adverse changes in real estate markets as well as other risks and uncertainties included from time to time in the Company’s filings with the Securities and Exchange Commission.

~~(a)~~ Item 9.01 Financial Statements and Exhibits

~~None~~(a) Financial Statements

~~(b) Exhibits:~~None

Exhibit
No.		Description
99.1		Prime Group Realty Trust First Quarter Ended March 31, 2010 Earnings Press Release dated May 13, 2010.

(d) Exhibits.

~~SIGNATURE~~None

	PRIME GROUP REALTY TRUST
Dated: May 13, 2010	By:	/s/ Jeffrey A. Patterson
		Jeffrey A. Patterson
		President and Chief Executive Officer

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


		PRIME GROUP REALTY TRUST

		By: /s/ Jeffrey A. Patterson
		Jeffrey A. Patterson
Dated: May 20, 2010		President and Chief Executive Officer

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