2AD7V-OURA2603Charger for Wellness Ring

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: April 14, 2026 Ref: Attestation Statements Part 2.911(d)(5)(i)&(ii) Filing FCC ID: 2AD7V-OURA2603 Statement for 47 CFR section 2.911(d)(5)(i) Oura Health Oy (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Oura Health Oy (“the applicant”) certifies that the software to be loaded prior to marketing of the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). ☒ Device is inherently compliant based on hardware limitations or software controls. or ☐ A Software Bill of Materials (SBOM) is provided to the TCB for review, and ☐ The end-user or third parties cannot install additional software on this device. Statement for 47 CFR section 2.911(d)(5)(ii) Oura Health Oy (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to §1.50002, as a specifically named entity or any of its subsidiaries or affiliates that producing “covered” equipment. Sincerely, Signature: ____________________ Printed Name /Title: Jukka Ollila/ Type Approval Specialist Company Name: Oura Health Oy

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: April 14, 2026 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2AD7V-OURA2603 Oura Health Oy (“the applicant”) certifies that, as of the date of the filing of the application, Ouraring Inc (“the agent”) is our designated U.S. agent for service of process for the above referenced FCC ID. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. The agent accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Sincerely, Applicant Signature: Designated U.S. Agent Signature: FRN: 0024274250 FRN: 0035310408 Company Name: Oura Health Oy Name: Ouraring Inc Grantee Code: 2AD7V Contact Person: Neena Kaushik Contact Person: Jukka Ollila/ Type Approval Specialist Address: 415 Kearny St, San Francisco, CA 94018, USA Address: Elektroniikkatie 10, FI- 90590 Oulu, Finland Tel.: +1 (408) 921 2547 Tel.: +358 40 543 3264 Email: [email protected] Email: [email protected]

Date: April 14, 2026 Regarding FCC ID: 2AD7V-OURA2603 Dear Examiner: The measurements of the equipment class: DXX of this 731 application were performed radiated and therefore additional antenna gain documentation is not required. Sincerely, Signature: ____________________ Printed Name /Title: Jukka Ollila/ Type Approval Specialist Company Name: Oura Health Oy

Date: April 14, 2026 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding FCC ID: 2AD7V-OURA2603 To whom it may concern: We, the undersigned, hereby authorize Jim Chang, SGS Taiwan Ltd. to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. We also declare that the information provided to the FCC is true and correct to the best of our knowledge (47 CFR 2.911(d)) and we have been informed of the grantee responsibilities (47 CFR 2.909) with regard to certified equipment. This authorization is valid until further written notice from the applicant. Sincerely, Signature: ____________________ Printed Name /Title: Jukka Ollila/ Type Approval Specialist Company Name: Oura Health Oy

Date: April 14, 2026 Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: 2AD7V-OURA2603 Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform the TCB to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term Operation Description ☒ Permanent ☐ Short Term Software defined radio & security info ☐ Permanent ------------------ Parts List & Placement/BOM ☒ Permanent ☐ Short Term Tune-Up Procedure ☐ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☒ Short Term Internal Photos ☐ Permanent* ☒ Short Term Test Setup Photos ------------------ ☒ Short Term User’s Manual ☐ Permanent* ☒ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Printed name: Jukka Ollila Title: Type Approval Specialist Company Name: Oura Health Oy

LABEL LOCATION On the front of the lid inner FCC ID: 2AD7V-OURA2603 IC: 20635-OURA2603 Model: OA21

Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com.tw/Terms-and-Conditions and for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com.tw/Terms-and-Conditions. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. SGS Taiwan Ltd. No.134,Wu Kung Road, New Taipei Industrial Park, Wuku District, New Taipei City, Taiwan/新北市五股區新北產業園區五工路134號 台灣檢驗科技股份有限公司 t (886-2) 2299-3279 f (886-2) 2298-0488 www.sgs.com.tw Member of SGS Group Report No.: TESA2602000144E5 Page: 1 of 7 RF EXPOSURE REPORT Applicant: Oura Health Oy Elektroniikkatie 10 FI-90590 Oulu, Finland Manufacturer: Oura Health Oy Elektroniikkatie 10 FI-90590 Oulu, Finland Product Name: Charger for Wellness Ring Brand Name: OURA Model No.: OA21 FCC ID 2AD7V-OURA2603 Date of EUT Received: Feb. 10, 2026 Issue Date: Apr. 21, 2026 Approved By John Yeh We hereby certify that: The above equipment was evaluated by SGS Taiwan Ltd. The evaluation in this report is in compliance with FCC Rule Part §1.1307 & KDB 447498 D04 v01. The results of this report relate to the specific sample identified in this report. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com.tw/Terms-and-Conditions and for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com.tw/Terms-and-Conditions. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. SGS Taiwan Ltd. No.134,Wu Kung Road, New Taipei Industrial Park, Wuku District, New Taipei City, Taiwan/新北市五股區新北產業園區五工路134號 台灣檢驗科技股份有限公司 t (886-2) 2299-3279 f (886-2) 2298-0488 www.sgs.com.tw Member of SGS Group Report No.: TESA2602000144E5 Page: 2 of 7 Revision History Report Number Revision Description Issue Date Revised By Remark TESA2602000144E5 00 Initial creation of document Apr. 21, 2026 Kimmy Chiou Note: 1、 The remark "*" indicates modification of the report upon requests from certification body. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com.tw/Terms-and-Conditions and for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com.tw/Terms-and-Conditions. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. SGS Taiwan Ltd. No.134,Wu Kung Road, New Taipei Industrial Park, Wuku District, New Taipei City, Taiwan/新北市五股區新北產業園區五工路134號 台灣檢驗科技股份有限公司 t (886-2) 2299-3279 f (886-2) 2298-0488 www.sgs.com.tw Member of SGS Group Report No.: TESA2602000144E5 Page: 3 of 7 Contents 1 DESCRIPTION OF EQUIPMENT UNDER TEST (EUT) ..................................................... 4 1.1 PRODUCT DESCRIPTION ................................................................................................................................................. 4 1.2 EVALUATION SITE .......................................................................................................................................................... 4 2 DETEMINATION OF MP…

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Antenna Test Report Applicant Name: Oura Health Oy Product Name: Charger for Wellness Ring Model Version: EVT2-2 Measurements performed by FIH Antenna Team Issued Date: January 31, 2026 Information of Measurement System and Device Details Measurement Facility ETS-Lindgren AMS8500MeasurementChamber: Agilent E5071CNetwork Analyzer: Details of EUT Charger for Wellness RingDevice Name: EVT2-2Device Version: OA21Device Model Number: 2400MHz ~ 2500MHz (Step size:10MHz) Frequency Range: Chip antennaAntenna Type: Open mode -2.7dBi, Close mode -4.9dBAntenna Peak Gain (dBi): Johanson Technology, IncChip Antenna Supplier: 2450AT07A0100Antenna Model No. Antenna Gain and Efficiency EUT: Charger for Wellness Ring Average Eff. (dB)Efficiency (%)Peak Gain (dBi)Frequency (MHz) CloseOpenCloseOpenCloseOpenMode Condition -10.0-8.59.914.3-5.3-4.1 2400 -10.2-8.49.514.5-5.4-4.1 2410 -10.1-8.19.715.6-5.1-3.9 2420 -10.5-8.38.814.9-5.4-4.2 2430 -10.1-7.69.817.3-4.9-3.3 2440 -10.4-7.89.116.8-5.1-3.2 2450 -10.2-7.59.517.9-4.9-2.7 2460 -10.9-8.08.116.0-5.4-3.0 2470 -11.0-7.88.016.6-5.4-2.7 2480 -11.8-8.36.614.8-6.1-3.1 2490 -12.4-8.65.813.9-6.6-3.2 2500 Antenna Test Setup and 3D Pattern 3D Pattern (2440MHz) – YZ (Close Mode) 3D Pattern (2440MHz) - XZ (Close Mode) 3D Pattern (2440MHz) - XY (Close Mode) 3D Pattern (2440MHz) – YZ (Open Mode) 3D Pattern (2440MHz) - XZ (Open Mode) 3D Pattern (2440MHz) - XY (Open Mode)

Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com.tw/Terms-and-Conditions and for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com.tw/Terms-and-Conditions. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. SGS Taiwan Ltd. No.134,Wu Kung Road, New Taipei Industrial Park, Wuku District, New Taipei City, Taiwan/新北市五股區新北產業園區五工路134號 台灣檢驗科技股份有限公司 t (886-2) 2299-3279 f (886-2) 2298-0488 www.sgs.com.tw Member of SGS Group Report No.: TERF2602000645ER Page: 1 of 73 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT EUT Description: Charger for Wellness Ring Applicant: Oura Health Oy Elektroniikkatie 10 FI-90590 Oulu, Finland Manufacturer: Oura Health Oy Elektroniikkatie 10 FI-90590 Oulu, Finland Brand Name: OURA Model No. OA21 Report Number: TERF2602000645ER FCC ID 2AD7V-OURA2603 Date of EUT Received: N/A, the test results are fully leveraged from test report num- ber TERF2602000649ER, for more details please refer to section 2 in this report. Date of Test: N/A, the test results are fully leveraged from test report num- ber TERF2602000649ER, for more details please refer to section 2 in this report. Issue Date: March 30, 2026 Approved By Chun Chieh Chen We hereby certify that: The above equipment was tested by SGS Taiwan Ltd. Central RF Lab The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.10 and the energy emitted by the sample EUT comply with FCC rule part §15.247. The results of this report relate only to the sample identified in this report. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com.tw/Terms-and-Conditions and for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com.tw/Terms-and-Conditions. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. SGS Taiwan Ltd. No.134,Wu Kung Road, New Taipei Industrial Park, Wuku District, New Taipei City, Taiwan/新北市五股區新北產業園區五工路134號 台灣檢驗科技股份有限公司 t (886-2) 2299-3279 f (886-2) 2298-0488 www.sgs.com.tw Member of SGS Group Report No.: TERF2602000645ER Page: 2 of 73 Revision History Report Number Revision Description Issue Date Revised By Remark TERF2602000645ER 00 Original March 30, 2026 Yuri Tsai Note: 1、 The remark "*" indicates modification of the report upon requests from certification body. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com.tw/Terms-and-Conditions and for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com.tw/Terms-and-Conditions. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. SGS Taiwan Ltd. No.134,Wu Kung Road, New Taipei Industrial Park, Wuku District, New Taipei City, Taiwan/新北市五股區新北產業園區五工路134號 台灣檢驗科技股份有限公司 t (886-2) 2299-3279 f (886-2) 2298-0488 www.sgs.com.tw Member of SGS Group Report No.: TERF2602000645ER P…

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