Exhibit (d)(5)

CONFIDENTIAL

Execution Version

SECOND AMENDMENT TO EQUITY COMMITMENT LETTER

This SECOND AMENDMENT TO EQUITY COMMITMENT LETTER (this “Amendment”) is entered into as of September 9, 2024 by and among Accel Leaders 4 L.P. for itself and as nominee for Accel Leaders 4 L.P., Accel Leaders 4 Entrepreneurs L.P. and Accel Leaders 4 Investors (2022) L.P., Accel Leaders 3 L.P. for itself and as nominee for Accel Leaders 3 L.P., Accel Leaders 3 Entrepreneurs L.P., and Accel Leaders 3 Investors (2020) L.P., Spaceship Purchaser, Inc., Spaceship Parent, LP, Spaceship HoldCo, LLC, Spaceship Intermediate 2, Inc. (the foregoing collectively being the “ECL Parties”), Squarespace, Inc., Permira VIII - 1 SCSp, Permira VIII - 2 SCSp, Permira VIII AIV LP1 L.P., Permira VIII AIV LP2 L.P., Permira VIII CIS SCSp, Permira VIII CIS 2 SCSp, PILI 1 Portfolio SCSp, PILI 2 Portfolio SCSp, PILI 4 Portfolio SCSp, Permira Investment Capital LP, Permira Investment Capital II LP and Permira Investment Capital III LP.

RECITALS

A.

The ECL Parties entered into that certain Equity Commitment Letter, dated as of May 13, 2024, as amended by that certain First Amendment to Equity Commitment Letter, dated as of August 28, 2024 (as amended, the “Prior Agreement”).  All capitalized terms used herein and not otherwise defined herein shall have the meanings ascribed thereto in the Prior Agreement.  The Prior Agreement, as amended by this Amendment, is referred to as the “ECL”.

B.

In accordance with Section 4 of the Prior Agreement, the parties hereto desire to amend certain terms of the Prior Agreement as expressly provided in this Amendment.

AGREEMENT

In consideration of the mutual promises herein contained and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby acknowledge and agree as follows:

1.

Amendments.

(A)

The table set forth on Schedule A to the Prior Agreement is hereby deleted and replaced in its entirety as set forth below:

Investor	Commitment		Percentage of Total Commitments
ACCEL LEADERS 4 L.P., for itself and as nominee for Accel Leaders 4 L.P., Accel Leaders 4 Entrepreneurs L.P. and Accel Leaders 4 Investors (2022) L.P.	$	300,000,000.00	72.6066	%
ACCEL LEADERS 3 L.P., for itself and as nominee for Accel Leaders 3 L.P., Accel Leaders 3 Entrepreneurs L.P. and Accel Leaders 3 Investors (2020) L.P.	$	113,185,502.26	27.3934	%
Total:	$	413,185,502.26	100.0000	%

Co-Lead Investor	Commitment		Percentage of Total Commitments
Permira VIII - 1 SCSp	$	1,797,368,719.54	74.08775	%
Permira VIII - 2 SCSp	$	332,403,479.03	13.70171	%
Permira VIII AIV LP1 L.P.	$	63,990,312.40	2.63769	%
Permira VIII AIV LP2 L.P.	$	120,138,835.37	4.95214	%
Permira VIII CIS SCSp	$	53,292,859.26	2.19674	%
Permira VIII CIS 2 SCSp	$	58,249.13	0.00240	%
PILI 1 Portfolio SCSp	$	40,046,278.46	1.65071	%
PILI 2 Portfolio SCSp	$	6,003,573.12	0.24747	%
PILI 4 Portfolio SCSp	$	7,281,141.54	0.30013	%
Permira Investment Capital LP	$	1,619,594.96	0.06676	%
Permira Investment Capital II LP	$	1,575,855.80	0.06496	%
Permira Investment Capital III LP	$	2,221,101.40	0.09155	%
Total:	$	2,426,000,000.00	100.0000	%

2.

Miscellaneous.

(A)

Except as otherwise provided herein, the Prior Agreement shall remain unchanged and in full force and effect.

(B)

From and after the date of this Amendment, any reference in the ECL to “hereof”, “herein”, “hereunder”, “hereby” and “this Agreement” shall be deemed a reference to the Prior Agreement as amended by this Amendment; provided, however, that any reference to the date of the ECL, the use of the phrase “the date hereof” or “the date of this Agreement” shall in all cases be a reference to May 13, 2024 and not the date of this Amendment.

(C)

The provisions contained in Sections 5 through 8, 10, 15 and 16 of the Prior Agreement are incorporated by reference in this Amendment mutatis mutandis.

(D)

The Prior Agreement, as amended hereby, is hereby ratified and confirmed in all respects. In the event of a conflict between the Prior Agreement and this Amendment, the terms of this Amendment shall control.

[Signature pages follow.]

IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date first above written.

ACCEL LEADERS 4 L.P.
for itself and as nominee for
Accel Leaders 4 L.P.
Accel Leaders 4 Entrepreneurs L.P.
And Accel Leaders 4 Investors (2022) L.P.
By:	Accel Leaders 4 Associates L.P., its general partner
By:	Accel Leaders 4 GP Associates L.L.C., its general partner
By:	/s/ Ryan Connor
Name:	Ryan Connor
Title:	Attorney in Fact

ACCEL LEADERS 3 L.P.
for itself and as nominee for
Accel Leaders 3 L.P.
Accel Leaders 3 Entrepreneurs L.P.
and Accel Leaders 3 Investors (2020) L.P.
By:	Accel Leaders 3 Associates L.P., its general partner
By:	Accel Leaders 3 GP Associates L.L.C., its general partner
By:	/s/ Ryan Connor
Name:	Ryan Connor
Title:	Attorney in Fact

[Signature page to Second Amendment to ECL (Accel)]

SPACESHIP PURCHASER, INC.
By:	/s/ Peter Flynn
Name:	Peter Flynn
Title:	President and Chief Executive Officer
SPACESHIP PARENT, LP
By:	/s/ Peter Flynn
Name:	Peter Flynn
Title:	President and Chief Executive Officer
SPACESHIP HOLDCO, LLC
By:	/s/ Peter Flynn
Name:	Peter Flynn
Title:	President and Chief Executive Officer
SPACESHIP INTERMEDIATE 2, INC.
By:	/s/ Peter Flynn
Name:	Peter Flynn
Title:	President and Chief Executive Officer

[Signature page to Second Amendment to ECL (Accel)]

PERMIRA VIII - 1 SCSP
by its portfolio manager and authorised representative
PERMIRA PORTFOLIO MANAGEMENT LIMITED
By:	/s/ Thomas Amy
Name:	Thomas Amy
Title:	Director
PERMIRA VIII - 2 SCSP
by its portfolio manager and authorised representative
PERMIRA PORTFOLIO MANAGEMENT LIMITED
By:	/s/ Thomas Amy
Name:	Thomas Amy
Title:	Director
PERMIRA VIII AIV LP1 L.P.
by its portfolio manager and authorised representative
PERMIRA PORTFOLIO MANAGEMENT LIMITED
By:	/s/ Thomas Amy
Name:	Thomas Amy
Title:	Director

[Signature page to Second Amendment to ECL (Accel)]

PERMIRA VIII AIV LP2 L.P.
by its portfolio manager and authorised representative
PERMIRA PORTFOLIO MANAGEMENT LIMITED
By:	/s/ Thomas Amy
Name:	Thomas Amy
Title:	Director
PERMIRA VIII CIS SCSP
by its portfolio manager and authorised representative
PERMIRA PORTFOLIO MANAGEMENT LIMITED
By:	/s/ Thomas Amy
Name:	Thomas Amy
Title:	Director
PERMIRA VIII CIS 2 SCSP
by its general partner
PERMIRA VIII GP S.À R.L.
By:	/s/ Cédric Pedoni
Name:	Cédric Pedoni
Title:	Manager
PILI 1 PORTFOLIO SCSP
by its general partner
PILI 1 PORTFOLIO GP S.À R.L.
By:	/s/ Cédric Pedoni
Name:	Cédric Pedoni
Title:	Manager

[Signature page to Second Amendment to ECL (Accel)]

PILI 2 PORTFOLIO SCSP
by its general partner
PILI 2 PORTFOLIO GP S.À R.L.
By:	/s/ Cédric Pedoni
Name:	Cédric Pedoni
Title:	Manager
PILI 4 PORTFOLIO SCSP
by its general partner
PILI 4 PORTFOLIO GP S.À R.L.
By:	/s/ Cédric Pedoni
Name:	Cédric Pedoni
Title:	Manager
PERMIRA INVESTMENT CAPITAL LP
by its general partner
PERMIRA INVESTMENT CAPITAL GP LIMITED
By:	/s/ Wikus van Schalkwyk
Name:	Wikus van Schalkwyk
Title:	Director
PERMIRA INVESTMENT CAPITAL II LP
by its general partner
PERMIRA INVESTMENT CAPITAL GP LIMITED
By:	/s/ Wikus van Schalkwyk
Name:	Wikus van Schalkwyk
Title:	Director

[Signature page to Second Amendment to ECL (Accel)]

PERMIRA INVESTMENT CAPITAL III LP
by its general partner
PERMIRA INVESTMENT CAPITAL GP LIMITED
By:	/s/ Wikus van Schalkwyk
Name:	Wikus van Schalkwyk
Title:	Director

[Signature page to Second Amendment to ECL (Accel)]

SQUARESPACE, INC.
By:	/s/ Anthony Casalena
Name:	Anthony Casalena
Title:	Chief Executive Officer

[Signature page to Second Amendment to ECL (Accel)]