Restricted © Siemens AG 2015 All rights reserved.Answers for infrastructure and cities. Duquesne Light Company Request For Proposal Pre-bid Webinar May 26, 2015

Restricted © Siemens AG 2015 All rights reserved Page 2SEM / Pace Global Conference Objectives We are here to: Provide a better understanding of the context in which the Request for Proposal (RFP) is being conducted. Inform interested wholesale electric suppliers of the power supply process. Review the bid structure of the RFP. Review the Default Supply Master Agreement (SMA) which will govern the terms and conditions of all transactions resulting from these RFPs. Provide a guide on how to place bids. Answer questions on all of the above topics.

Restricted © Siemens AG 2015 All rights reserved Page 3SEM / Pace Global Disclaimer This presentation is not meant to be a fully comprehensive description of every aspect related to all of the Pennsylvania Public Utility Commission (PAPUC or Commission) orders related to the RFP process, but rather a summary of the key features. No statements made in this presentation, or made orally by any consultant or utility representative, are intended to be binding in any way. In all cases, the RFP, SMA, and Compliance Plans, as approved by the PAPUC, and all PAPUC orders, control and supersede all other statements.

Restricted © Siemens AG 2015 All rights reserved Page 4SEM / Pace Global Summary Agenda Schedule of Key Events Background of Pennsylvania Structure RFP Details & Process Guide to Placing Bids

Restricted © Siemens AG 2015 All rights reserved.Answers for infrastructure and cities. Schedule of Key Events

Restricted © Siemens AG 2015 All rights reserved Page 6SEM / Pace Global Schedule of Key Events Webinar – May 26, 2015 at 2:00PM ET. Post answers to questions received during webinar – May 27, Credit Applications Due – June 4, All submittals complete and bidders qualified – June 8, Bidders can practice submitting bids until end of day – June 8, Bid Day – June 9, 2015 from 10:00 AM to 2:00 PM ET. Notify all bidders of the result – June 9, 2015, from 2:00 PM to 4:00 PM ET. Submit bids to PAPUC for approval – June 9, Approval expected by PAPUC – June 11, Notify winning bidders of final results – June 11, Release of weighted average of winning bids, separately by class, within two business days after execution of the contracts.

Restricted © Siemens AG 2015 All rights reserved.Answers for infrastructure and cities. Background of Pennsylvania Structure

Restricted © Siemens AG 2015 All rights reserved Page 8SEM / Pace Global Background The load served within each block will increase or decrease proportionally with the other blocks to achieve the supply needed to meet load. Product is full requirements load following energy, ancillary services, capacity, alternative energy credits, losses and other items listed in the Supply Master Agreement. Delivery is to the Duquesne Residual Aggregate Zone in PJM. See SMA for full and complete details

Restricted © Siemens AG 2015 All rights reserved Page 9SEM / Pace Global Background Duquesne Light will utilize relevant bid documents specific to the PAPUC approved POLR VII plan for this and future POLR VII solicitation. A copy of the Supply Master Agreement is included on the RFP web site, If for any reason an RFP fails to attract a sufficient volume of bids, the Commission does not approve the submitted bids, or an accepted supplier defaults, Duquesne Light will meet its default supply obligation on an interim basis through purchases in the PJM spot market and will be permitted to recover all of the costs of such purchases and reasonable administrative costs from Default Service Customers. Duquesne Light will submit to the Commission within 15 days after any such occurrence, a contingency plan to handle any default service shortfall.

Restricted © Siemens AG 2015 All rights reserved.Answers for infrastructure and cities. RFP Details & Process

Restricted © Siemens AG 2015 All rights reserved Page 11SEM / Pace Global Request for Proposals (RFP) Supply Requirement Overview The current solicitation seeks proposals for default supply for Medium Commercial & Industrial Customers. Number of blocks and periods is as follows: –Medium C&I – Offered in 4 blocks for 100% of supply requirements for delivery period 9/1/2015 – 11/30/2015 A single supplier can procure 100% of the Medium C&I class for this delivery period.

Restricted © Siemens AG 2015 All rights reserved Page 12SEM / Pace Global RFP Process Pace Global Responsibilities Pace Global will conduct and monitor the RFP process. All questions and correspondence will be sent to Pace Global by to Bids will be submitted through the Procurex bidding interface and will be monitored throughout the day by Pace Global. Up to four bids may be submitted by any bidder for the Medium C&I blocks. All bids and associated paperwork will be reviewed by Pace Global for compliance and conformity. Only Pace Global and the Commission have discretion to reject bids. Any disputes or selection decisions will be reviewed by Pace Global for the resolution. Security at the bid site will be maintained by Pace Global. Duquesne will not see bid results until after close of bidding. The results will be summarized along with a certification of compliance with all requirements and security.

Restricted © Siemens AG 2015 All rights reserved Page 13SEM / Pace Global RFP Process Duquesne Light Company Responsibilities Duquesne Light Company (DLC) will sign the Non Disclosure Agreement (NDA). DLC will review and approve all financial qualifications. DLC will answer all questions and return to Pace Global to be posted on the web site and sent to bidders. DLC will cooperate with bidders as much as possible to provide relevant information. DLC will verify that bidders are qualified with PJM to provide the services. DLC will sign the SMA. DLC will work with Pace Global to address any conflicts or disputes. DLC will manage the contracts in accordance with the SMA. DLC will work with PJM and winning bidders to properly allocate charges per the SMA. DLC will release the weighted average of all winning bids for all solicitations, (not individual bid prices or supplier names), within 2 business days after execution of all contracts and will publish the revised retail rates 45 days before they become effective.

Restricted © Siemens AG 2015 All rights reserved Page 14SEM / Pace Global Request for Proposals Supplier Eligibility Criteria Submittal of the Expression of Interest on web site. Execution of the Non-Disclosure Agreement (NDA). –If you have an executed NDA from the March 2015 RFP, this will carry through the end of the POLR VII solicitations. PJM qualification and FERC authorization. –Qualified market buyer and seller in good standing with PJM. –FERC authorization to make sales of energy, capacity and ancillary services at market based rates. Submittal of a credit application. Conform with bidding requirements. Submittal of a Binding SMA at completion of bidding if awarded the bid. Bidders must submit the credit application, NDA, and place their bid all under the same legal entity that will both sign the SMA and serve the load in PJM.

Restricted © Siemens AG 2015 All rights reserved Page 15SEM / Pace Global Request for Proposals Bid Submittal Process All bids must be submitted through the Procurex bidding interface. All bids can be rescinded and/or reviewed via the bid interface. Bidders’ individual login and password is required to submit, rescind, or review bid. All fields within the Bid Form require that the supplier’s input must be completed in order for the bid to be conforming. An will be automatically sent to the bidder indicating that the bid has been received. Bids may be sent by FAX as a contingency if there is a problem with the electronic system. FAX Number If a fax is used, Pace Global must be alerted by telephone to this change in the normal electronic submission. Telephone Number

Restricted © Siemens AG 2015 All rights reserved Page 16SEM / Pace Global Default Supply Master Agreement The SMA is included on the Procurex web site for review. No changes to this document will be permitted.

Restricted © Siemens AG 2015 All rights reserved.Answers for infrastructure and cities. Guide to Placing Bids

Restricted © Siemens AG 2015 All rights reserved Page 18SEM / Pace Global Suppliers will be able to register on the Procurex website at any time: The RFP event will not be made available until a signed Non-Disclosure Agreement and a Credit Application have been submitted and approved by Duquesne. Create a Login ID on the Procurex website Click here to start registration as a bidder

Restricted © Siemens AG 2015 All rights reserved Page 19SEM / Pace Global Bidding Interface Login Home Page Once approved as a bidder, you will be invited to two events: A practice event which will close on 6/8/2015 and the live procurement event which will start on 6/9/2015 at 10:00 AM ET. After logging on, click on the “Accept/View/Bid In Events” button.

Restricted © Siemens AG 2015 All rights reserved Page 20SEM / Pace Global Bidding Interface Event Screen The next screen will show you the events you are able to participate in. The practice event is shown above. Follow the instructions in the notes after clicking the event name.

Restricted © Siemens AG 2015 All rights reserved Page 21SEM / Pace Global Bidding Interface Accepting an Event Before you are able to start placing bids, you will need to read and agree to the Terms and Conditions and provide a response on your participation in the RFP.

Restricted © Siemens AG 2015 All rights reserved Page 22SEM / Pace Global The bidding interface is shown below. After placing a bid, the Previous Bid Price and Previous Ext. Bid Price fields will reflect what you entered (these fields will be identical). Bids can be changed by submitting a new bid. Notes can be attached to bids which will be visible to Pace Global. Bidding Interface Placing bids You are not required to bid on all blocks. For blocks you do not intend to bid on, leave the Bid Price field blank. You can choose to bid on all or some of the blocks.

Restricted © Siemens AG 2015 All rights reserved Page 23SEM / Pace Global You will be able to change the price of any bids you place. When placing bids, you will be able to change the price of bids you place but will not have the ability to retract the bid completely. If you need to retract your bid completely, use the “Message Board” function to have an administrator clear your bids. Bidding Interface Retracting Bids

Restricted © Siemens AG 2015 All rights reserved Page 24SEM / Pace Global Bid Requirements Conforming Bids Must Be: –submitted using the Procurex bid interface –submitted by the due date and time –submitted by an eligible supplier Evaluation of Bids –The single price bid for a given block will be the parameter used to compare all offers within the same service type and the same contract term. –Bids will be ranked by price and the lowest bidders will be chosen. –Tie breaking will be based on bid received first. –Winning suppliers will be paid their offer prices pursuant to contract. –All bids submitted will be kept confidential, in accordance with the Non Disclosure Agreement, although aggregate prices of winning bids will be released.