1.3 Proposal Submission Date; Anticipated

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Addendum #4: Procurement Schedule Change City of Philadelphia Opportunity #21150522142339 Procurement System Modernization This addendum changes Section 1.3 of the RFP as noted below. The date for posting the Responses to Questions submitted is changed to July 10, 2015 and the Proposal submission date has been extended to July 29, 2015.

1.3 Proposal Submission Date; Anticipated Procurement Schedule The date for submitting Proposals pursuant to this RFP (the “Submission Date”) is as provided below. Proposals must be submitted as provided in Section 3.1.5, Proposal Submission Requirements, by the time on the Submission Date indicated below. Date June 3, 2015

Activity Issue Request for Proposals

July 3, 2015, 5:00 PM (Local Philadelphia Time)

Submit questions, requests for clarification, information to Primary Contact, in writing

June 24, 2015, 11:30 AM (Local Philadelphia Time)

July 9, 2015 July 10, 2015

July 23, 2015, 5:00 PM July 29, 2015, 5:00 PM (Local Philadelphia Time) August 15, 2015 August 21, 2015

September 1, 2015 September 15, 2015

Pre-Proposal Meeting 1234 Market Street, Suite 1850 Philadelphia, PA 19107

Response to Questions posted Submit Proposals Notice of Intent to Contract Project start