8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

Current Report Pursuant to Section 13

of the Securities Exchange Act of 1934

Date of Report (Date Earliest Event reported) — December 18, 2009

MDC PARTNERS INC.

(Exact name of registrant as specified in its charter)

Canada (Jurisdiction of Incorporation) 001-13718 (Commission File Number)   98-0364441 (IRS Employer Identification No.)

45 Hazelton Ave., Toronto, Ontario, Canada M5R 2E3

(Address of principal executive offices and zip code)

(416) 960-9000

(Registrant’s Telephone Number)

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 (see General Instruction A.2. below):

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))

Item 7.01. Regulation FD Disclosure.

On December 18, 2009, MDC Partners Inc. (the “Company”) posted the supplemental financial information attached as Exhibit 99.1 on its web site (www.mdc-partners.com). Summary financial information concerning the Company's reclassified reportable segments is shown in the tables set forth in Exhibit 99.1. This is supplemental to the financial information disclosed in the Company’s previously filed Form 8-k on December 10, 2009.

The foregoing information (including the exhibits hereto) is being furnished under “Item 7.01. Regulation FD Disclosure.”  Such information (including the exhibits hereto) shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits.

(c) Exhibits.

99.1 Supplemental Financial Information.

Signatures

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

Date:  December 18, 2009	MDC Partners Inc.
	By:	/s/ Mitchell Gendel Mitchell Gendel, General Counsel & Corporate Secretary

EX-99.1

Summary financial information concerning the Company’s reclassified reportable segments are shown in the following tables:

For the Year Ended December 31, 2008

(thousands of United States dollars)

	Strategic Marketing Services			Performance Marketing Services Group			Corporate			Total
Revenue	$	363,580		$	221,068		$	—		$	584,648
Cost of services sold		226,699			165,446			—			392,145
Office and general expenses		84,408			35,725			17,622			137,755
Depreciation and amortization		24,814			9,189			401			34,404
Operating Profit (Loss)	$	27,659		$	10,708		$	(18,023	)		20,344
Other Income (Expense):
Other expense, net											(14	)
Foreign exchange gain											13,257
Interest expense, net											(13,255	)
Income from continuing operations before income taxes, equity in affiliates											20,332
Income tax expense											(2,397	)
Income from continuing operations before equity in affiliates											17,935
Equity in earnings of non-consolidated affiliates											349
Income from continuing operations											18,284
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes											(10,015	)
Net Income											8,269
Net income attributable to the noncontrolling interests	$	(5,302	)	$	(2,834	)	$	—			(8,136	)
Net income attributable to MDC Partners Inc.										$	133
Stock-based compensation from continuing operations	$	6,162		$	3,697		$	4,578		$	14,437
Capital expenditures from continuing operations	$	9,192		$	5,094		$	109		$	14,395
Goodwill intangibles	$	224,793		$	60,273		$	—		$	285,066
Total assets	$	358,834		$	132,609		$	37,796		$	529,239

For the Year Ended December 31, 2007

(thousands of United States dollars)

	Strategic Marketing Services			Performance Marketing Services Group			Corporate			Total
Revenue	$	338,524		$	195,359		$	—		$	533,883
Cost of services sold		201,172			142,125			—			343,297
Office and general expenses		83,644			32,442			22,148			138,234
Depreciation and amortization		21,045			7,672			258			28,975
Operating Profit (Loss)	$	32,663		$	13,120		$	(22,406	)		23,377
Other Income (Expense):
Other income, net											3,165
Foreign exchange loss											(7,192	)
Interest expense, net											(11,099	)
Income from continuing operations before income taxes, equity in affiliates											8,251
Income tax expense											(6,081	)
Income from continuing operations before equity in affiliates											2,170
Equity in earnings of non-consolidated affiliates											165
Income from continuing operations											2,335
Loss from discontinued operations attributable to MDC Partners Inc., net of taxes											(8,173	)
Net loss											(5,838	)
Net income attributable to the noncontrolling interests	$	(17,457	)	$	(3,060	)	$	—			(20,517	)
Net loss attributable to MDC Partners Inc.										$	(26,355	)
Stock-based compensation from continuing operations	$	5,199		$	575		$	4,443		$	10,217
Capital expenditures from continuing operations	$	10,267		$	8,976		$	210		$	19,453
Goodwill and intangibles	$	212,393		$	60,732		$	—		$	273,125
Total assets	$	359,489		$	152,134		$	9,075		$	520,698