Energy Transition Partners B : Power of Attorney

Power of Attorney

For the annual general meeting of Energy Transition Partners B.V. ("Energy Transition Partners" or the "Company"), to be held at the office of the Company at Herikerbergweg 238, Luna ArenA, 1101 CM Amsterdam, The Netherlands on 29 June 2023 at 09.00 hours Central European Summer Time ("CEST").

Name:

(the "Shareholder")

Address:

Postal code and city:

Country:

Number and class of shares:

(the "Shares")

If the Shareholder is an entity or a partnership, represented by:

Name:

Title:

The Shareholder hereby grants a power of attorney to IJ.C. van Straten, civil law notary in Amsterdam, the Netherlands or his deputy or successor, with the power of substitution (the "Attorney-in-Fact"), to represent the Shareholder at the AGM, to speak on behalf of the Shareholder and to cast votes on the Shares, in accordance with the following instructions:

#	Agenda item	In favour	Against	Abstain
2.2.	Remuneration report for the for the year ending 31 December	☐	☐	☐
	2022 (advisory vote)

2.3. Proposal to adopt the financial statements for the for the year ending 31 December 2022 (voting item)

3.1. Proposal to grant discharge to executive directors of Energy Transition Partners (voting item)

☐ ☐ ☐

☐ ☐ ☐

3.2.	Proposal to grant discharge to non-executive directors of	☐	☐	☐
	Energy Transition Partners (voting item)

1. Re-appointmentof the external auditor for the year ending 31 December 2023 (voting item)
2. Proposal to extend the Business Combination Deadline (voting item)

☐ ☐ ☐

☐ ☐ ☐

Please indicate your voting instructions by checking one of the boxes "In favour", "Against" or "Abstain" for each agenda item above as follows: ☒1

The Attorney-in-Fact shall not be liable for any damage suffered by the Shareholder as a result of any action or lack of action by the Attorney-in-Fact when making use of, or otherwise in connection with, this power of attorney (the "Power of Attorney").

By signing this Power of Attorney, the Shareholder represents and warrants that the Shareholder holds full and encumbered title to the Shares.

This Power of Attorney does not prevent the Attorney-in-Fact to act pursuant to powers of attorney granted by one or more other shareholders of Energy Transition Partners.

This Power of Attorney must be sent to ABN AMRO Bank N.V. by email ([e-mail]) and must be in the possession of ABN AMRO Bank N.V. by no later than 22 June 2023, 17:00 hours CEST.

(Signature page follows)

• If this Power of Attorney does not provide for an unequivocal voting instruction for an individual agenda item, this Power will not be used at the AGM to vote in respect of such agenda item.

1

Signature page

The Shareholder:

Signature:

Date:2023

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