Exelon 2015 Annual Report Download - page 202

Table of Contents
Report of Independent Registered Public Accounting Firm
To the Board of Directors and Shareholders of Exelon Corporation:
In our opinion, the consolidated financial statements listed in the index appearing under Item 15(a)(1) present fairly, in all material respects,
the financial position of Exelon Corporation (the “Company”) and its subsidiaries at December 31, 2015 and 2014 and the results of their operations
and their cash flows for each of the three years in the period ended December 31, 2015 in conformity with accounting principles generally accepted
in the United States of America. In addition, in our opinion, the financial statement schedules listed in the index appearing under Item 15(a)(2)
present fairly, in all material respects, the information set forth therein when read in conjunction with the related consolidated financial statements.
Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2015,
based on criteria established in  issued by the Committee of Sponsoring Organizations of the
Treadway Commission (COSO). The Company’s management is responsible for these financial statements and financial statement schedules, for
maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting,
included in Management’s Report on Internal Control over Financial Reporting appearing under Item 8. Our responsibility is to express opinions on
these financial statements, on the financial statement schedules, and on the Company’s internal control over financial reporting based on our
integrated audits. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States).
Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of
material misstatement and whether effective internal control over financial reporting was maintained in all material respects. Our audits of the
financial statements included examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing
the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. Our
audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk
that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk.
Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a
reasonable basis for our opinions.
A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of
financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A
company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in
reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance
that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting
principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors
of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of
the company’s assets that could have a material effect on the financial statements.
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any
evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that
the degree of compliance with the policies or procedures may deteriorate.
/s/ PricewaterhouseCoopers LLP
Chicago, Illinois
February 10, 2016
195
Source: BALTIMORE GAS & ELECTRIC CO, 10-K, February 10, 2016 Powered by Morningstar® Document Research℠
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