CUSIP No. 25433V105 | 13D | Page 1of 2Pages |
EXHIBIT 99.1
AGREEMENT
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13D need be filed with respect to the ownership by each of the undersigned of shares of stock of Dimension Therapeutics, Inc.
EXECUTED this 2nd day of November, 2015.
NEW LEAF VENTURES III, L.P. | ||||||
By: | NEW LEAF VENTURE ASSOCIATES III, L.P. General Partner | |||||
By: | NEW LEAF VENTURE MANAGEMENT III, L.L.C. General Partner | |||||
By: | * | |||||
Craig L. Slutzkin | ||||||
Chief Financial Officer | ||||||
NEW LEAF GROWTH FUND I, L.P. | ||||||
By: | NEW LEAF GROWTH ASSOCIATES I, L.P. General Partner | |||||
By: | NEW LEAF VENTURE MANAGEMENT III, L.L.C. General Partner | |||||
By: | * | |||||
Craig L. Slutzkin | ||||||
Chief Financial Officer | ||||||
NEW LEAF VENTURE ASSOCIATES III, L.P. | ||||||
By: | NEW LEAF VENTURE MANAGEMENT III, L.L.C. General Partner | |||||
By: | * | |||||
Craig L. Slutzkin | ||||||
Chief Financial Officer | ||||||
NEW LEAF GROWTH ASSOCIATES I, L.P. | ||||||
By: | NEW LEAF VENTURE MANAGEMENT III, L.L.C. General Partner | |||||
By: | * | |||||
Craig L. Slutzkin | ||||||
Chief Financial Officer |
CUSIP No. 25433V105 | 13D | Page 2of 2Pages |
NEW LEAF VENTURE MANAGEMENT III, L.L.C. | ||||
By: | * | |||
Craig L. Slutzkin | ||||
Chief Financial Officer |
* |
Philippe O. Chambon |
* |
Vijay Lathi |
* |
Ronald Hunt |
* |
Jeani Delagardelle |
* |
Liam Ratcliffe |
/s/ Craig L. Slutzkin |
Craig L. Slutzkin |
As attorney-in-fact |
* | This Schedule 13D was executed by Craig L. Slutzkin on behalf of the individuals listed above pursuant to Powers of Attorney, copies of which are attached as Exhibit 99.2. |