EXHIBIT 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13D (including any and all amendments thereto) with respect to the Class A Shares, of MDC Partners, Inc., and further agree to the filing of this agreement as an Exhibit thereto. In addition, each party to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement on Schedule 13D.
Date: March 15, 2017
| | The Goldman Sachs Group, Inc. | |
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| | By: | /s/ Yvette Kosic | |
| | Name: | Yvette Kosic | |
| | Title: | Attorney in Fact | |
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| Goldman, Sachs & Co. | |
| | | | |
| | By: | /s/ Yvette Kosic | |
| | Name: | Yvette Kosic | |
| | Title: | Attorney in Fact | |
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| Broad Street Principal Investments, L.L.C. | |
| | | | |
| | By: | /s/ Yvette Kosic | |
| | Name: | Yvette Kosic | |
| | Title: | Attorney in Fact | |
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| StoneBridge 2017, L.P | |
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| | By: | Bridge Street Opportunity Advisors, L.L.C. its General Partner | |
| | | | |
| | By: | /s/ Yvette Kosic | |
| | Name: | Yvette Kosic | |
| | Title: | Attorney in Fact | |
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| StoneBridge 2017 Offshore, L.P. | |
| | | | |
| | By: | Bridge Street Opportunity Advisors, L.L.C. its General Partner | |
| | | | |
| | By: | /s/ Yvette Kosic | |
| | Name: | Yvette Kosic | |
| | Title: | Attorney in Fact | |
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| Bridge Street Opportunity Advisors, L.L.C. | |
| | | | |
| | By: | /s/ Yvette Kosic | |
| | Name: | Yvette Kosic | |
| | Title: | Attorney in Fact | |
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