Company: CVLT
Filing Date: 2025-06-25
Form Type: DEF 14A
Source: 0001169561-25-000059
Chunk: 52

Company: COMMVAULT SYSTEMS INC
Filing Date: 2025-06-25
Form: DEF 14A
Chunk 52
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| Total fees         |     |               |     | $4,029 |     | $3,717 |

Audit Fees— all services necessary to perform an audit of the consolidated financial statements of the Company presented in our annual report on Form 10-K; the reviews of the Company’s quarterly reports on Form 10-Q; services in connection with statutory and regulatory filings or engagements; statutory audits; and consents and review of documents filed with the SEC.

Audit-Related Fees— other assurance and related services that are reasonably related to the performance of an audit that are not included in Audit Fees, including fees related to the performance of audit and attest services not required by statute or regulation and subscription to Ernst & Young LLP’s online research tool.

Tax Fees— tax compliance; tax planning; and other tax advice.

All Other Fees— any other work that is not Audit, Audit-Related, or a Tax Service.

In considering the nature of the services provided by Ernst & Young LLP, the Audit Committee determined that such services are compatible with the provision of independent audit services. The Audit Committee discussed these services with Ernst & Young LLP and our management to determine that they are permitted under the rules and regulations concerning auditor independence promulgated by the SEC to implement the Sarbanes-Oxley Act of 2002.

#### 53COMMVAULT SYSTEMS, INC. |2025 PROXY STATEMENT
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| PROPOSAL NO. 3: RATIFICATION OF THE APPOINTMENT OF INDEPENDENT AUDITORS    | |     | POLICY ON AUDIT COMMITTEE PRE-APPROVAL OF AUDIT AND NON-AUDIT SERVICES OF INDEPENDENT AUDITOR |

Policy on Audit Committee Pre-Approval of Audit and Non-Audit Services of Independent Auditor

The Audit Committee is responsible for appointing, setting compensation for, and overseeing the work of the independent auditor. The Audit Committee has established a policy regarding pre-approval of permissible non-audit services provided by the independent auditor. Generally, pre-approvals may be made by the chair of the Audit Committee and ratified by the full Audit Committee at its next meeting thereafter. All of the services performed by Ernst & Young LLP in the year ended March 31, 2025, were pre-approved in accordance with the pre-approval policy adopted by the Audit Committee.

The Board of Directors recommends that you vote FOR this proposal.

#### 54COMMVAULT SYSTEMS, INC. |2025 PROXY STATEMENT
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Our