Common use of Counterparts; Interpretation Clause in Contracts

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will be deemed an original but all of which together will be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION By: /s/ Jxxx X. Xxxxxxxx Name: Jxxx X. Xxxxxxxx Title: Chief Executive Officer ACCEPTED AND AGREED: /s/ Rxxxxxx X. Xxxxxx Rxxxxxx X. Xxxxxx

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will shall be deemed an original but all of which together will shall be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION Momenta Pharmaceuticals, Inc. By: /s/ Jxxx Cxxxx X. Xxxxxxxx Xxxxxxx Name: Jxxx Cxxxx X. Xxxxxxxx Xxxxxxx Title: President and Chief Executive Officer ACCEPTED AND AGREEDAgreed and Accepted: /s/ Rxxxxxx X. Xxxxxx Rxxxxxx X. XxxxxxAxxxxxx Xxxxxxx Axxxxxx Xxxxxxx Exhibit A

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will shall be deemed an original but all of which together will shall be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION Momenta Pharmaceuticals, Inc. By: /s/ Jxxx Xxxxx X. Xxxxxxxx Xxxxxxx Name: Jxxx Xxxxx X. Xxxxxxxx Xxxxxxx Title: President and Chief Executive Officer ACCEPTED AND AGREEDAgreed and Accepted: /s/ Rxxxxxx X. Xxxxxx Rxxxxxx X. XxxxxxXxxxxxxxx Xxxxxxxx Xxxxxxxxx Xxxxxxxx Exhibit A

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will be deemed an original but all of which together will be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION By: /s/ Jxxx X. Xxxxxxxx Name: Jxxx X. Xxxxxxxx Title: Chief Executive Officer ACCEPTED AND AGREED: /s/ Rxxxxxx Rxxxxx X. Xxxxxx Rxxxxxx Xxxxxxxx Rxxxxx X. XxxxxxXxxxxxxx

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will be deemed an original but all of which together will be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION By: /s/ Jxxx Xxxx X. Xxxxxxxx Name: Jxxx Xxxx X. Xxxxxxxx Title: Chief Executive Officer ACCEPTED AND AGREED: /s/ Rxxxxxx Xxxxxx X. Xxxxx Xxxxxx Rxxxxxx X. XxxxxxXxxxx

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will be deemed an original but all of which together will be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION By: /s/ Jxxx X. Xxxxxxxx Name: Jxxx X. Xxxxxxxx Title: Chief Executive Officer ACCEPTED AND AGREED: /s/ Rxxxxxx X. Xxxxxx Rxxxxxx Exxxxx X. Xxxxxx, Xx. Exxxxx X. Xxxxxx, Xx.

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will be deemed an original but all of which together will be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION By: /s/ Jxxx X. Xxxxxxxx Name: Jxxx X. Xxxxxxxx Title: Chief Executive Officer ACCEPTED AND AGREED: /s/ Rxxxxxx X. Xxxxxx Rxxxxxx X. XxxxxxR. Mxxxxxx Xxxxxxxx R. Mxxxxxx Xxxxxxxx

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will shall be deemed an original but all of which together will shall be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION Momenta Pharmaceuticals, Inc. By: /s/ Jxxx Xxxxx X. Xxxxxxxx Xxxxxxx Name: Jxxx Xxxxx X. Xxxxxxxx Xxxxxxx Title: President and Chief Executive Officer ACCEPTED AND AGREEDAgreed and Accepted: /s/ Rxxxxxx X. Xxxxxx Rxxxxxx X. XxxxxxXx-Xxx Xxxxxxxxxxx Xx-Xxx Beltramello Exhibit A

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will be deemed an original but all of which together will be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION By: /s/ Jxxx Johx X. Xxxxxxxx Name: Jxxx Johx X. Xxxxxxxx Title: Chief Executive Officer ACCEPTED AND AGREED: /s/ Rxxxxxx X. Xxxxxx Rxxxxxx X. XxxxxxCarxxxx Xxxxxxxx Carxxxx Xxxxxxxx

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will shall be deemed an original but all of which together will shall be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION Momenta Pharmaceuticals, Inc. By: /s/ Jxxx Xxxxx X. Xxxxxxxx Xxxxxxx Name: Jxxx Xxxxx X. Xxxxxxxx Xxxxxxx Title: President and Chief Executive Officer ACCEPTED AND AGREEDAgreed and Accepted: /s/ Rxxxxxx X. Xxxxxx Rxxxxxx X. XxxxxxXxx Xxxx Xxx Xxxx Exhibit A

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will shall be deemed an original but all of which together will shall be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION Momenta Pharmaceuticals,Inc. By: /s/ Jxxx Cxxxx X. Xxxxxxxx Xxxxxxx Name: Jxxx Cxxxx X. Xxxxxxxx Xxxxxxx Title: President and Chief Executive Officer ACCEPTED AND AGREEDAgreed and Accepted: /s/ Rxxxxxx X. Sxxxxxxx Xxxxxx Rxxxxxx X. XxxxxxSxxxxxxx Xxxxxx Exhibit A

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will be deemed an original but all of which together will be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION By: /s/ Jxxx X. Xxxxxxxx Name: Jxxx X. Xxxxxxxx Title: Chief Executive Officer ACCEPTED AND AGREED: /s/ Rxxxxxx X. Xxxxxx Rxxxxxx X. XxxxxxGxxxxx Xxxxxxxx Gxxxxx Xxxxxxxx

Counterparts; Interpretation. This letter agreement may be executed in two or more counterparts (including via facsimile), each of which will be deemed an original but all of which together will be considered one and the same agreement. For purposes of this letter agreement, the term “including” shall mean “including, without limitation”. Very truly yours, MICRUS ENDOVASCULAR CORPORATION By: /s/ Jxxx X. Cxxxxxx Xxxxxxxx Name: Jxxx X. Cxxxxxx Xxxxxxxx Title: Chief Executive Officer General Counsel ACCEPTED AND AGREED: /s/ Rxxxxxx Jxxx X. Xxxxxx Rxxxxxx Xxxxxxxx Jxxx X. XxxxxxXxxxxxxx