TCR GRP v. 2.1 – EPS Verification Statement Form Page 1 of 3 Last modified: March 25, 2016

Electric Power Sector Verification Statement

This Verification Statement documents that LRQA, Inc has conducted verification activities in compliance with ISO 14064-3 and The Climate Registry’s (TCR) General Verification Protocol. This statement also attests to the fact that LRQA, Inc provides [reasonable assurance that Exelon Corporation reported greenhouse gas emissions from January 1, 2017 through December 31, 2017 are verifiable and meet the requirements of TCR’s voluntary program.

Reporting classification: Transitional Complete Historical

Reporting Boundary: North American Worldwide (including North America) Worldwide (non- North America); Transitional or Historical, specify boundary:

Consolidation methodology:

Control Only: ( Financial or Operational)

Equity Share and Control ( Financial or Operational)

Type of verification: Batch Streamlined Full

GHG reporting protocols against which verification was conducted: The Climate Registry’s General Reporting Protocol Version 2.1, dated January 2016 The Climate Registry’s GRP Updates and Clarifications document dated March 2018 The Climate Registry’s Electric Power Sector Protocol version 1.0 dated June 2009 The Climate Registry’s EPS Updates and Clarifications document dated August 2010 Others (specify): ____

GHG verification protocols used to conduct the verification:

The Climate Registry’s General Verification Protocol version 2.1, dated June 2014 The Climate Registry’s GVP Updates and Clarifications document dated March 2016

The Climate Registry’s Electric Power Sector Addendum to the General Verification Protocol, version 1.1, dated June 2014

Others (specify): ____ Base Year (if applicable):

TCR GRP v. 2.1 – EPS Verification Statement Form Page 2 of 3 Last modified: March 25, 2016

Electric Power Sector Entity Information

Total Entity-Wide Emissions Verified (Control Criteria):

Total Scope 1 Emissions: 10,174,450.6 metric tons CO2e, consisting of metric tons of each GHG as follows:

9,686,079.6 CO2 15799.1 CH4 27.8 N2O 2,192.7 HFCs (CO2e) 0 PFCs (CO2e) 0 NF3 3.6 SF6

Biogenic Direct CO2 Emissions (stationary and mobile combustion only): 688,185.0 metric tons CO2

Total Location-based Scope 2 Emissions: 6,524,079.2 metric tons CO2e, consisting of metric tons of each

GHG as follows:

6,475,632.7 CO2 646.1 CH4 108.4 N2O

Biogenic Indirect Location-based CO2 Emissions: 222.4 metric tons CO2

Total Market-based Scope 2 Emissions: 5,041,752.2 metric tons CO2e, consisting of metric tons of each GHG

as follows:

4,995,272.4 CO2 624.8 CH4 103.6 N2O

Biogenic Indirect Market-based CO2 Emissions: 222.4 metric tons CO2

Total Entity-Wide Emissions Verified (Equity Share Criteria, if applicable):

Total Scope 1 Emissions: 10,200,499.2 metric tons CO2e, consisting of metric tons of each GHG as follows:

9,713,888.3 CO2 15,795.3 CH4 27.5 N2O 2,238.3 HFCs (CO2e) 0 PFCs (CO2e) 0 NF3 3.6 SF6

Biogenic Direct CO2 Emissions (stationary and mobile combustion only): 688,184.9 metric tons CO2

Total Location-based Scope 2 Emissions: 6,520,843.0 metric tons CO2e, consisting of metric tons of each

GHG as follows:

6,472,408.9 CO2 645.9 CH4 108.3 N2O

Biogenic Indirect Location-based CO2 Emissions: 222.4 metric tons CO2

Total Market-based Scope 2 Emissions: 5,037,445.8 metric tons CO2e, consisting of metric tons of each GHG

as follows:

4,990,988.2 CO2 624.6 CH4 103.5 N2O

Biogenic Indirect Market-based CO2 Emissions: 222.4 metric tons CO2

TCR GRP v. 2.1 – EPS Verification Statement Form Page 3 of 3 Last modified: March 25, 2016

Verified Metrics:

Please complete the table below to indicate which of the following metrics have been verified and meet TCR’s EPS Protocol reporting requirements and the five percent materiality threshold:

YES NO* N/A** EPS Metrics

EPS Metric G-4 (company average)

Average power deliveries metric for system mix

All “Certificate-Adjusted” average power delivery metrics

All facility-specific generation metrics (EPS Metrics G-1 through G-3, as applicable)

All optionally reported power delivery metrics (EPS Metrics D-1 through D-3, as applicable)

* A finding of “Unable to verify conformance” must be issued if the response to any of the metrics above is “No” ** Response of N/A is acceptable only if Member is a transitional reporter or if optional metrics were not reported. Verification Opinion: Conformance

Unable to verify conformance; summarize reason (e.g., “due to data errors” or “due to non-compliance with TCR’s reporting requirements):

Comment:

Attestation:

4/30/2018 Marisol Bacong, Lead Verifier Date Digital Signature Acknowledgement*

5/3/2018 Derek Markolf, Independent Peer Reviewer Date Digital Signature Acknowledgement*

Authorization:

I Melanie Dickersbach accept the findings in this Verification Statement and authorize the submission of this Verification Statement to The Climate Registry on behalf of Exelon Corporation. [Member Representative Signature] Date Digital Signature Acknowledgement*

* For digital signature: By checking the “Digital Signature Acknowledgement” box, I agree that this Verification Statement shall be

deemed to be “in writing” and to have been “signed” for all purposes and that any electronic record will be deemed to be in “writing.” I

will not contest the legally binding nature, validity, or enforceability of this Verification Statement and any corresponding documents based

on the fact that they were entered and executed electronically, and expressly waive any and all rights I may have to assert any such claim.

5/8/2018