S-3 424B7 EX-FILING FEES 333-285069 0001835830 Klaviyo, Inc. N/A N/A The prospectus is not a final prospectus for the related offering. 0001835830 2025-08-15 2025-08-15 0001835830 1 2025-08-15 2025-08-15 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

Klaviyo, Inc.

Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable

Security Type

Security Class Title

Fee Calculation or Carry Forward Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

Carry Forward Form Type

Carry Forward File Number

Carry Forward Initial Effective Date

Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward

Newly Registered Securities
Fees to be Paid 1 Equity Series A common stock, par value $0.001 per share 457(r) 7,475,000 $ 30.22 $ 225,894,500.00 0.0001531 $ 34,584.45
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities

Total Offering Amounts:

$ 225,894,500.00

$ 34,584.45

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 34,584.45

Offering Note

1

1.a. Includes 975,000 shares of Series A common stock that may be purchased by the underwriters upon the exercise of their option to purchase additional shares. 1.b. Estimated solely for purposes of calculating the registration fee pursuant to Rule 457(c) of the Securities Act of 1933, as amended (the "Securities Act"), based upon the average of the high and low prices of the registrant's Series A common stock as reported on the New York Stock Exchange on August 12, 2025. 1.c. Calculated in accordance with Rule 457(r) under the Securities Act. This "Calculation of Registration Fee" table shall be deemed to update the "Calculation of Registration Fee" table in the registrant's Registration Statement on Form S-3ASR (No. 333-285069) filed by the registrant on February 19, 2025, in accordance with Rules 456(b) and 457(r) under the Securities Act.

Table 2: Fee Offset Claims and Sources ☑Not Applicable
Registrant or Filer Name Form or Filing Type File Number Initial Filing Date Filing Date Fee Offset Claimed Security Type Associated with Fee Offset Claimed Security Title Associated with Fee Offset Claimed Unsold Securities Associated with Fee Offset Claimed Unsold Aggregate Offering Amount Associated with Fee Offset Claimed Fee Paid with Fee Offset Source
Rules 457(b) and 0-11(a)(2)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Rule 457(p)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Table 3: Combined Prospectuses ☑Not Applicable

Security Type

Security Class Title

Amount of Securities Previously Registered

Maximum Aggregate Offering Price of Securities Previously Registered

Form Type

File Number

Initial Effective Date

N/A N/A N/A N/A N/A N/A N/A N/A