1) | Exclusivity. During the Exclusivity Period (as defined below), the Company shall not, and shall cause its subsidiaries not to, and shall direct its and its subsidiaries’ respective Representatives (as defined below) not to (other than with respect to Halozyme or any of its Representatives), directly or indirectly, (i) solicit, initiate, continue or enter into discussions with, or knowingly encourage, or provide any non-public information to, any corporation, partnership or other entity or group or person that constitutes, or would be expected to lead to, an Acquisition Proposal, (ii) engage in, continue or otherwise participate in any discussions or negotiations relating to, enter into any agreement, arrangement or understanding relating to, an Acquisition Proposal or any inquiry, proposal or offer that would be expected to lead to an Acquisition Proposal, or (iii) grant any waiver, amendment or release under any standstill or confidentiality agreement relating, directly or indirectly, to an Acquisition Proposal. During the Exclusivity Period, the Company shall, and shall cause its subsidiaries to, and direct its and its subsidiaries’ respective Representatives to, immediately cease and cause to be terminated any and all contacts, discussions and negotiations with third parties (other than Halozyme and its Representatives) with respect to an Acquisition Proposal or that could reasonably be expected to lead to an Acquisition Proposal. If, during the Exclusivity Period, the Company or any of its subsidiaries or their respective Representatives receives any inquiry, offer, proposal or expression of interest regarding an Acquisition Proposal (or any proposed |