Section 5.3. No Solicitation by the Company. 
<omitted> 
(e) Prior to the Company taking any action permitted (i) under Section 5.3(d)(i), the Company shall provide Parent with four (4)- Business Days’ prior written notice advising Parent that the Company Board of Directors intends to effect a Change of Recommendation and specifying, in reasonable detail, the reasons therefor, and during such four (4) Business Day period (which period shall expire at 11:59 p.m., Pacific Time, on the fourth (4th) Business Day), the Company shall cause its Representatives (including its executive officers) to negotiate in good faith (to the extent Parent desires to negotiate) any proposal by Parent to amend the terms and conditions of this Agreement in a manner that would obviate the need to effect a Change of Recommendation and at the end of such four (4) Business Day period (which period shall expire at 11:59 p.m., Pacific Time, on the fourth (4th) Business Day) the Company Board of Directors again makes the determination under Section 5.3(d)(i) (after in good faith taking into account any amendments proposed by Parent) or (ii) under Section 5.3(d)(ii), the Company shall provide Parent with four (4) Business Days’ prior written notice advising Parent that the Company Board of Directors intends to take such action and specifying the material terms and conditions of the Acquisition Proposal, including a copy of any proposed definitive documentation, and during such four (4) Business Day period (which period shall expire at 11:59 p.m., Pacific Time, on the fourth (4th) Business Day), the Company shall cause its Representatives (including its executive officers) to negotiate in good faith (to the extent Parent desires to negotiate) any proposal by Parent to amend the terms and conditions of this Agreement such that such Acquisition Proposal would no longer constitute a Superior Proposal and at the end of such four (4) Business Day period (which period shall expire at 11:59 p.m., Pacific Time, on the fourth (4th) Business Day) the Company Board of Directors again makes the determination under Section 5.3(d)(ii) (after in good faith taking into account the amendments proposed by Parent). With respect to Section 5.3(e)(ii), if there are any material amendments, revisions or changes to the terms of any such Superior Proposal (including any revision to the amount, form or mix of consideration the Company Stockholders would receive as a result of the Superior Proposal), the Company shall notify Parent of each such amendment, revision or change in compliance with Section 5.3(c) and the applicable four (4) Business Day period shall be extended until at least three (3) Business Days after the time that Parent receives notification from the Company of each such revision, and the Company Board of Directors shall not take any such action permitted under Section 5.3(d)(ii) prior to the end of any such period (which period shall expire at 11:59 p.m., Pacific Time, on the applicable day) as so extended in accordance with the terms of this Section 5.3(e). (Page 63)

Question: Additional matching rights period for modifications (COR)-Answer
Subquestion: <NONE>
Answer: 3 business days