Exhibit 4.5

CERTAIN INFORMATION IN THIS DOCUMENT, MARKED BY [***], HAS BEEN

EXCLUDED PURSUANT TO THE INSTRUCTIONS TO FORM 20-F AND SEC RULES AND

REGULATIONS. SUCH EXCLUDED INFORMATION IS NOT MATERIAL AND IS THE TYPE

THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL AND WOULD

LIKELY CAUSE COMPETITIVE HARM TO THE REGISTRANT IF DISCLOSED.

AMENDMENT NO. 3 TO OEM SUPPLY & DEVELOPMENT AGREEMENT

Amendment No. 3 to OEM Supply & Development Agreement (the "Amendment"), between Olink Proteomics AB, a Swedish corporation with its principal place of business at Dag Hammarskjöld vag 52B, SE-752 37 Uppsala, Sweden ("Olink"), and Fluidigm Corporation, a Delaware corporation organized and existing under the laws of the United States of America, with its principal office at Two Tower Place, Suite 2000, South San Francisco, CA 94080 USA ("Fluidigm"), and together with Olink, the "Parties", and each, a "Party".

WHEREAS, the Parties have entered into an OEM Supply & Development Agreement, with an Effective Date of March 31, 2020 and Amendment 1 (with an Effective Date of September 15, 2021) and Amendment 2 (with an Effective Date of November 30, 2021) (collectively, the "Existing Agreement"); and

WHEREAS, the Parties hereto desire to amend the Existing Agreement on the terms and subject to the conditions set forth herein.

NOW, THEREFORE, in consideration of the foregoing and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Parties agree as follows:

1.	Definitions. Capitalized terms used and not defined in this Amendment have the respective meanings assigned to them in the Existing Agreement.

2.	Section 19.1 of the Existing Agreement is hereby deleted and replaced in its entirety by the following new Section 19.1:

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Date of Effectiveness; Limited Effect. This Amendment will become effective as of this 2/4/2022 day of January 2022 (the "Amendment Effective Date"). Except as expressly provided in this Amendment, all of the terms and provisions of the Existing Agreement are and will remain in full force and effect and are hereby ratified and confirmed by the Parties. Without limiting the generality of the foregoing, the amendments contained herein will not be construed as an amendment to or waiver of any other provision of the Existing Agreement or as a waiver of or consent to any further or future action on the part of either Party that would require the waiver or consent of the other Party. On and after the Amendment Effective Date, each reference in the Existing Agreement to "this Agreement," "the Agreement," "hereunder," "hereof," "herein," or words of like import, and each reference to the Existing Agreement in any other agreements, documents, or instruments executed and delivered pursuant to, or in connection with, the Existing Agreement, will mean and be a reference to the Existing Agreement as amended by this Amendment.

4.	Representations and Warranties. Each Party hereby represents and warrants to the other Party that:

(a)It has the full right, power, and authority to enter into this Amendment and to perform its obligations hereunder and under the Existing Agreement as amended by this Amendment.

(b)The execution of this Amendment by the individual whose signature is set forth at the end of this Amendment on behalf of such Party, and the delivery of this Amendment by such Party, have been duly authorized by all necessary action on the part of such Party.

(c)This Amendment has been executed and delivered by such Party and (assuming due authorization, execution, and delivery by the other Party hereto) constitutes the legal, valid, and binding obligation of such Party, enforceable against such Party in accordance with its terms.

5.	Miscellaneous.

(a)The headings in this Amendment are for reference only and do not affect the interpretation of this Amendment.

(b)This Amendment may be executed in counterparts, each of which is deemed an original, but all of which constitute one and the same agreement. Delivery of an executed counterpart of this Amendment electronically or by facsimile shall be effective as delivery of an original executed counterpart of this Amendment.

(c)This Amendment constitutes the sole and entire agreement between the Parties with respect to the subject matter contained herein, and supersedes all prior and contemporaneous understandings, agreements, representations, and warranties, both written and oral, with respect to such subject matter.

(d)Each Party shall pay its own costs and expenses in connection with this Amendment (including the fees and expenses of its advisors, accountants, and legal counsel).

IN WITNESS WHEREOF, the Parties have executed this Amendment as of the Amendment Effective Date.

	OLINK PROTEOMICS AB

	By:	/s/ Oskar Hjelm
	Name:	Oskar Hjelm
	Title:	CFO

	FLUIDIGM CORPORATION

	By:	/s/ Andrew Quong
	Name:	Andrew Quong
	Title:	CSO

APPENDIX A - BATCH 1 ESCROW MATERIALS

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APPENDIX B – BATCH 2 ESCROW MATERIALS

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