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S-3 S-3 EX-FILING FEES 0001604665 Westlake Chemical Partners LP N/A N/A 0001604665 2026-03-04 2026-03-04 0001604665 1 2026-03-04 2026-03-04 0001604665 2 2026-03-04 2026-03-04 0001604665 3 2026-03-04 2026-03-04 0001604665 4 2026-03-04 2026-03-04 0001604665 5 2026-03-04 2026-03-04 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

Westlake Chemical Partners LP

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
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities Equity Common units representing limited partner interests 415(a)(6) S-3 333-270176 03/20/2023
Carry Forward Securities Equity Other classes of units representing limited partner interests 415(a)(6) S-3 333-270176 03/20/2023
Carry Forward Securities Debt Debt Securities 415(a)(6) S-3 333-270176 03/20/2023
Carry Forward Securities 1 Unallocated (Universal) Shelf 415(a)(6) $ 500,000,000.00 S-3 333-270176 03/20/2023 $ 64,900.00
Carry Forward Securities 2 Equity Common units representing limited partner interests 415(a)(6) 1,401,869 $ 30,413,547.96 S-3 333-270176 03/20/2023 $ 3,912.23

Total Offering Amounts:

$ 530,413,547.96

$ 0.00

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 0.00

Offering Note

1

(1) There are being registered hereunder an unspecified number or aggregate principal amount (as applicable) of the registrant's common units representing limited partner interests ("Common Units"), common units representing limited partner interests ("Other Units") and debt securities as may from time to time be offered at unspecified prices, with the maximum aggregate offering price of such securities not to exceed the amount described in footnote (4) below (the "Primary Carry-Forward Securities"). In addition, an unspecified number of securities is being registered as may be issued from time to time in exchange for, or upon conversion or exercise of, as the case may be, the securities registered hereunder. (2) Other classes of units representing limited partner interests can include, but is not limited to, preferred units. (3) The proposed maximum aggregate offering price of each class of securities will be determined from time to time by the registrant in connection with the issuance by the registrant of the securities registered hereunder and is not specified as to each class of securities pursuant to Rule 457(o) under the Securities Act of 1933, as amended (the "Securities Act"). (4) Debt securities will be issued by Westlake LP, and WLKP Finance Corp. may act as co-issuer of the debt securities. If any debt securities are issued at an original issue discount, then the offering price of such debt securities shall be in such amount as shall result in an aggregate initial offering price not to exceed $500,000,000, less the dollar amount of any registered securities previously issued. (5) The Primary Carry-Forward Securities and the Secondary Carry-Forward Securities (as defined in footnote (6) below) (collectively, the "Carry-Forward Securities") consist of securities previously registered under the registrant's Registration Statement on Form S-3 (File No. 333-270176), initially filed with the Securities and Exchange Commission on March 1, 2023, and declared effective on March 20, 2023 (as amended, the "Prior Registration Statement"), which securities remain unsold as of the date of this registration statement. Pursuant to Rule 415(a)(6), the registration fees relating to the Carry-Forward Securities under the Prior Registration Statement will continue to be applied to such securities hereunder. To the extent that, after the date hereof and prior to the effectiveness of this registration statement, any Carry-Forward Securities are sold pursuant to the Prior Registration Statement, the registrant will identify in a pre-effective amendment to this registration statement the updated amount of Carry-Forward Securities from the Prior Registration Statement to be included on this registration statement pursuant to Rule 415(a)(6). Pursuant to Rule 415(a)(6), the offering of the Carry-Forward Securities under the Prior Registration Statement will be deemed terminated as of the effective date of this registration statement.

2

(5) The Primary Carry-Forward Securities and the Secondary Carry-Forward Securities (as defined in footnote (6) below) (collectively, the "Carry-Forward Securities") consist of securities previously registered under the registrant's Registration Statement on Form S-3 (File No. 333-270176), initially filed with the Securities and Exchange Commission on March 1, 2023, and declared effective on March 20, 2023 (as amended, the "Prior Registration Statement"), which securities remain unsold as of the date of this registration statement. Pursuant to Rule 415(a)(6), the registration fees relating to the Carry-Forward Securities under the Prior Registration Statement will continue to be applied to such securities hereunder. To the extent that, after the date hereof and prior to the effectiveness of this registration statement, any Carry-Forward Securities are sold pursuant to the Prior Registration Statement, the registrant will identify in a pre-effective amendment to this registration statement the updated amount of Carry-Forward Securities from the Prior Registration Statement to be included on this registration statement pursuant to Rule 415(a)(6). Pursuant to Rule 415(a)(6), the offering of the Carry-Forward Securities under the Prior Registration Statement will be deemed terminated as of the effective date of this registration statement. (6) Consists of Common Units to be offered and sold by the selling securityholder (the "Secondary Carry-Forward Securities"). (7) Pursuant to Rule 416 under the Securities Act, the registrant is also registering an indeterminate number of additional Common Units issuable by reason of any stock dividend, stock split, recapitalization or other similar transaction. (8) Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(c) under the Securities Act. The Proposed Maximum Offering Price Per Unit for the Secondary Carry-Forward Securities is based on the average ($21.695) of the high and low prices reported for the Common Units on February 26, 2026.

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