----

| Applicable Ratio | Applicable Date                                                                                                                        |
|------------------|----------------------------------------------------------------------------------------------------------------------------------------|
| 3.50:1.0         | For the 12 month period endingDecember 31, 2010                                                                                        |
| 4.00:1.0         | For the 12 month period endingMarch 31, 2011                                                                                           |
| 4.00:1.0         | For the 12 month period endingJune 30, 2011                                                                                            |
| 3.75:1.0         | For the 12 month period endingSeptember 30, 2011 and for the 12 month periodending on the last day of each calendar quarter thereafter |

----

----

----

----

|   | MDC PARTNERS INC., a federal companyorganized under the laws of Canada |
|--------|------------------------------------------------------------------------|
|   |                                                                   |   |
|   |                                                                   |   |
|   | By:                                                                    | /s/ Mitchell Gendel |
|   | Name:                                                                  | Mitchell Gendel |
|   | Title:                                                                 | Authorized Signatory |
|   |                                                                   |   |
|   |                                                                   |   |
|   | By:                                                                    | /s/ Michael Sabatino |
|   | Name:                                                                  | Michael Sabatino |
|   | Title:                                                                 | Authorized Signatory |

|   | MAXXCOM INC.,a Delaware corporation |
|--------|-------------------------------------|
|   |                                |
|   |                                |   |
|   | By:                                 | /s/ Mitchell Gendel |
|   | Name:                               | Mitchell Gendel |
|   | Title:                              | Authorized Signatory |
|   |                                |   |
|   |                                |   |
|   | By:                                 | /s/ Michael Sabatino |
|   | Name:                               | Michael Sabatino |
|   | Title:                              | Authorized Signatory |
|   |                                |

----

|   | 72ANDSUNNY PARTNERS, LLC,a Delaware limited liability company                                                      |
|--------|--------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                               |
|   | ACCENT MARKETING SERVICES, L.L.C.,a Delaware limited liability company                                             |
|   |                                                                                                               |
|   | ADRENALINA LLC,a Delaware limited liability company                                                                |
|   |                                                                                                               |
|   | ALLISON & PARTNERS LLC,a Delaware limited liability company                                                    |
|   |                                                                                                               |
|   | ATTENTION PARTNERS LLC,a Delaware limited liability company                                                        |
|   |                                                                                                               |
|   | ANOMALY PARTNERS LLC,a Delaware limited liability company                                                          |
|   |                                                                                                               |
|   | BRUCE MAU DESIGN (USA) LLC,a Delaware limited liability company                                                    |
|   |                                                                                                               |
|   | COLLE & MCVOY LLC,a Delaware limited liability company                                                         |
|   |                                                                                                               |
|   | COLLE & MCVOY, INC.,a Minnesota corporation                                                                    |
|   |                                                                                                               |
|   | COMMUNIFX PARTNERS LLC,a Delaware limited liability company                                                        |
|   |                                                                                                               |
|   | COMPANY C COMMUNICATIONS, INC.,a Delaware corporation                                                              |
|   |                                                                                                               |
|   | COMPANY C COMMUNICATIONS LLC,a Delaware limited liability company                                                  |
|   |                                                                                                               |
|   | CRISPIN PORTER & BOGUSKY LLC,a Delaware limited liability company                                              |
|   |                                                                                                               |
|   | DOTGLU LLC,a Delaware limited liability company                                                                    |
|   |                                                                                                               |
|   | EXPECTING PRODUCTIONS, LLC,a California limited liability companyBy: Hudson and Sunset Media, LLC, its sole member |
|   |                                                                                                               |
|   | GUARDIANT WARRANTY, LLC,a Delaware limited liability company                                                       |

----

|   |                                                                                                                                      |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------|
|   | HELLO ACQUISITION INC.,a Delaware corporation                                                                                             |
|   |                                                                                                                                      |
|   | HELLO DESIGN, LLC,a California limited liability company                                                                                  |
|   |                                                                                                                                      |
|   | HL GROUP PARTNERS LLC,a Delaware limited liability company                                                                                |
|   |                                                                                                                                      |
|   | HUDSON AND SUNSET MEDIA, LLC (formerly known as Shout Media LLC),a California limited liability company                                   |
|   |                                                                                                                                      |
|   | HW ACQUISITION LLC,a Delaware limited liability company                                                                                   |
|   |                                                                                                                                      |
|   | INTEGRATED MEDIA SOLUTIONS PARTNERS LLC, a Delaware limited liability company                                                             |
|   |                                                                                                                                      |
|   | KBP HOLDINGS LLC,a Delaware limited liability company                                                                                     |
|   |                                                                                                                                      |
|   | KBS+P ATLANTA LLC (formerly known as FLETCHER MARTIN LLC),a Delaware limited liability company                                            |
|   |                                                                                                                                      |
|   | KIRSHENBAUM BOND SENECAL & PARTNERS LLC (formerly known as Kirshenbaum Bond & Partners LLC), a Delaware limited liability company |
|   |                                                                                                                                      |
|   | KIRSHENBAUM BOND & PARTNERS WEST LLC, a Delaware limited liability company                                                            |
|   |                                                                                                                                      |
|   | KWITTKEN PR LLC,a Delaware limited liability company                                                                                      |
|   |                                                                                                                                      |
|   | MARGEOTES FERTITTA POWELL LLC,a Delaware limited liability company                                                                        |
|   |                                                                                                                                      |
|   | MAXXCOM (USA) FINANCE COMPANY,a Delaware corporation                                                                                      |
|   |                                                                                                                                      |
|   | MAXXCOM (USA) HOLDINGS INC.,a Delaware corporation                                                                                        |
|   |                                                                                                                                      |
|   | MDC ACQUISITION INC.,a Delaware Corporation                                                                                               |
|   |                                                                                                                                      |

----

|   | MDC CORPORATE (US) INC.,a Delaware corporation                                                |
|--------|-----------------------------------------------------------------------------------------------|
|   |                                                                                          |
|   | MDC INNOVATION PARTNERS LLC(d/b/a Spies & Assassins),a Delaware limited liability company |
|   |                                                                                          |
|   | MDC TRAVEL, INC.,a Delaware corporation                                                       |
|   |                                                                                          |
|   | MDC/CPB HOLDINGS INC.(formerly known as CPB Acquisition Inc.),a Delaware corporation          |
|   |                                                                                          |
|   | MDC/KBP ACQUISITION INC.,a Delaware corporation                                               |
|   |                                                                                          |
|   | MF+P ACQUISITION CO.,a Delaware corporation                                                   |
|   |                                                                                          |
|   | MONO ADVERTISING, LLC,a Delaware limited liability company                                    |
|   |                                                                                          |
|   | NEW TEAM LLC,a Delaware limited liability company                                             |
|   |                                                                                          |
|   | NORTHSTAR RESEARCH GP LLC,a Delaware limited liability company                                |
|   |                                                                                          |
|   | NORTHSTAR RESEARCH HOLDINGS USA LP,a Delaware limited partnership                             |
|   |                                                                                          |
|   | NORTHSTAR RESEARCH PARTNERS (USA) LLC, a Delaware limited liability company                   |
|   |                                                                                          |
|   | OUTERACTIVE, LLC,a Delaware limited liability company                                         |
|   |                                                                                          |
|   | PULSE MARKETING, LLC,a Delaware limited liability company                                     |
|   |                                                                                          |
|   | REDSCOUT LLC,a Delaware limited liability company                                             |
|   |                                                                                          |
|   | RELEVENT PARTNERS LLC,a Delaware limited liability company                                    |
|   |                                                                                          |
|   | SKINNY NYC LLC,a Delaware limited liability company                                           |

----

|   |                                                                                      |
|--------|-------------------------------------------------------------------------------------------|
|   | SLOANE & COMPANY LLC,a Delaware limited liability company                             |
|   |                                                                                      |
|   | SOURCE MARKETING LLC,a New York limited liability company                                 |
|   |                                                                                      |
|   | TARGETCOM LLC,a Delaware limited liability company                                        |
|   |                                                                                      |
|   | TC ACQUISITION INC.,a Delaware corporation                                                |
|   |                                                                                      |
|   | THE ARSENAL LLC(formerly known as Team Holdings LLC),a Delaware limited liability company |
|   |                                                                                      |
|   | TRACK 21 LLC,a Delaware limited liability company                                         |
|   |                                                                                      |
|   | TRAFFIC GENERATORS, LLC,a Georgia limited liability company                               |
|   |                                                                                      |
|   | VARICK MEDIA MANAGEMENT LLC,a Delaware limited liability company                          |
|   |                                                                                      |
|   | VITROROBERTSON LLC,a Delaware limited liability company                                   |
|   |                                                                                      |
|   | YAMAMOTO MOSS MACKENZIE, INC.,a Delaware corporation                                      |
|   |                                                                                      |
|   | ZG ACQUISITION INC.,a Delaware corporation                                                |
|   |                                                                                      |
|   | ZIG (USA) LLC,a Delaware limited liability company                                        |
|   |                                                                                      |
|   | ZYMAN GROUP, LLC,a Delaware limited liability company                                     |

|   | By:    | /s/ Mitchell Gendel  |
|--------|--------|----------------------|
|   | Name:  | Mitchell Gendel      |
|   | Title: | Authorized Signatory |
|   |   |                 |
|   |   |                 |
|   | By:    | /s/ Michael Sabatino |
|   | Name:  | Michael Sabatino     |
|   | Title: | Authorized Signatory |
|   |   |

----

|   | ASHTON POTTER CANADA INC.,an Ontario corporation                                                                  |
|--------|-------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                              |
|   | HENDERSON BAS, an Ontario general partnership, by the members of its management committee                         |
|   |                                                                                                              |
|   | COMPUTER COMPOSITION OF CANADA INC.,an Ontario corporation                                                        |
|   |                                                                                                              |
|   | BRUCE MAU DESIGN INC.,an Ontario corporation                                                                      |
|   |                                                                                                              |
|   | BRUCE MAU HOLDINGS LTD.,an Ontario corporation                                                                    |
|   |                                                                                                              |
|   | KBS+P CANADA INC. (formerly known as Allard Johnson Communications Inc.),an Ontario corporation                   |
|   |                                                                                                              |
|   | TREE CITY INC.,an Ontario corporation                                                                             |
|   |                                                                                                              |
|   | VERITAS COMMUNICATIONS INC.,an Ontario corporation                                                                |
|   |                                                                                                              |
|   | 656712 ONTARIO LIMITED,an Ontario corporation                                                                     |
|   |                                                                                                              |
|   | NORTHSTAR RESEARCH HOLDINGS CANADA INC., an Ontario corporation                                                   |
|   |                                                                                                              |
|   | NORTHSTAR RESEARCH PARTNERS INC.,an Ontario corporation                                                           |
|   |                                                                                                              |
|   | X CONNECTIONS INC., an Ontario corporation                                                                        |
|   |                                                                                                              |
|   | STUDIO PICA INC., a federal company organized under the laws of Canada                                            |
|   |                                                                                                              |
|   | CRISPIN PORTER + BOGUSKY CANADA INC. (formerly known as Zig Inc.), an Ontario corporation                         |
|   |                                                                                                              |
|   | 6 DEGREES INTEGRATED COMMUNICATIONS INC. (formerly known as Accumark Communications Inc.), an Ontario corporation |
|   |                                                                                                              |

----

|   | MAXXCOM (NOVA SCOTIA) CORP.,a Nova Scotia corporation                                                                                           |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                            |
|   | BRYAN MILLS IRADESSO CORP.,an Ontario corporation                                                                                               |
|   |                                                                                                                                            |
|   | KENNA COMMUNICATIONS LP,                                                                                                                        |
|   | an Ontario limited partnershipBy: Kenna Communications GP Inc.       Its general partner                     |
|   |                                                                                                                                            |
|   | CAPITAL C PARTNERS LP,an Ontario limited partnershipBy: Capital C Partners GP Inc.       Its general partner |
|   |                                                                                                                                            |
|   | KENNA COMMUNICATIONS GP INC.,an Ontario corporation                                                                                             |
|   |                                                                                                                                            |
|   | CAPITAL C PARTNERS GP INC.,an Ontario corporation                                                                                               |
|   | By:    | /s/ Mitchell Gendel  |
|--------|--------|----------------------|
|   | Name:  | Mitchell Gendel      |
|   | Title: | Authorized Signatory |
|   |   |                 |
|   |   |                 |
|   | By:    | /s/ Michael Sabatino |
|   | Name:  | Michael Sabatino     |
|   | Title: | Authorized Signatory |
|   |   |

----

|   | CRISPIN PORTER & BOGUSKY EUROPE AB |
|--------|----------------------------------------|
|   |                                   |   |
|   |                                   |   |
|   | By:                                    | /s/ Mitchell Gendel |
|   | Name:                                  | Mitchell Gendel |
|   | Title:                                 | Authorized Signatory |
|   |                                   |   |
|   |                                   |   |
|   | By:                                    | /s/ Michael Sabatino |
|   | Name:                                  | Michael Sabatino |
|   | Title:                                 | Authorized Signatory |
|   |                                   |

----

|   | WELLS FARGO CAPITAL FINANCE, LLC, formerly known as Wells Fargo Foothill, LLC, as Agent and as a Lender |
|--------|---------------------------------------------------------------------------------------------------------|
|   |                                                                                                    |   |
|   |                                                                                                    |   |
|   | By:                                                                                                     | /s/ Paul G. Chao |
|   | Name:                                                                                                   | Paul G. Chao |
|   | Title:                                                                                                  | SVP |

|   | JPMORGAN CHASE BANK, N.A., as a Lender |
|--------|----------------------------------------|
|   |                                   |   |
|   |                                   |   |
|   | By:                                    | /s/ Helene P. Sprung |
|   | Name:                                  | Helene P. Sprung |
|   | Title:                                 | Senior Vice President |

|   | BANK OF MONTREAL, as a Lender |
|--------|-------------------------------|
|   |                          |   |
|   |                          |   |
|   | By:                           | /s/ Naghmeh Hashemifard |
|   | Name:                         | Naghmeh Hashemifard |
|   | Title:                        | Director |

----

----

| Lender                                                                        | Revolver Commitment | Total Commitment |
|-------------------------------------------------------------------------------|---------------------|------------------|
| Wells Fargo Capital Finance, LLC, formerly known as Wells Fargo Foothill, LLC | $75,000,000         | $75,000,000      |
| JPMorgan Chase Bank, N.A.                                                     | $35,000,000         | $35,000,000      |
| Bank of Montreal                                                              | $25,000,000         | $25,000,000      |
| Goldman Sachs Lending Partners LLC                                            | $15,000,000         | $15,000,000      |
|                                                                          |                |             |
| All Lenders                                                                   | $150,000,000        | $150,000,000     |

----