Version: v3 Serial Number: 16304949303346752335492228005881569392 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Amazon CommonName: Amazon RSA 2048 M01 Validity: Not Before: 2025-11-13 00:00 UTC Not After : 2026-12-11 23:59 UTC Subject: CommonName: *.ouraring.com Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: 81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85 Subject Key Identifier: 9A:12:1B:71:88:85:27:78:D3:16:36:D4:9E:43:5F:6B:B1:08:E4:59 CRL Distribution Points: http://crl.r2m01.amazontrust.com/r2m01.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://ocsp.r2m01.amazontrust.com Issuing Certificate URL: http://crt.r2m01.amazontrust.com/r2m01.cer Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth DNS Names: *.ouraring.com Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

Version: v3 Serial Number: 17591460065306197144244605215192771973 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Amazon CommonName: Amazon RSA 2048 M04 Validity: Not Before: 2026-05-27 00:00 UTC Not After : 2026-12-10 23:59 UTC Subject: CommonName: support.ouraring.com Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: 1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08 Subject Key Identifier: A7:07:D8:6A:93:38:1A:B8:E7:F6:26:90:84:CD:56:F7:F8:0F:15:FF CRL Distribution Points: http://crl.r2m04.amazontrust.com/r2m04.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://ocsp.r2m04.amazontrust.com Issuing Certificate URL: http://crt.r2m04.amazontrust.com/r2m04.cer Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth DNS Names: support.ouraring.com Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

Version: v3 Serial Number: 9254803178406206564903149312853676501 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Amazon CommonName: Amazon RSA 2048 M02 Validity: Not Before: 2025-07-06 00:00 UTC Not After : 2026-08-03 23:59 UTC Subject: CommonName: *.ouraring.com Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: C0:31:52:CD:5A:50:C3:82:7C:74:71:CE:CB:E9:9C:F9:7A:EB:82:E2 Subject Key Identifier: 88:11:14:25:8B:3F:13:34:3D:3D:08:12:45:65:13:5B:93:29:A6:83 CRL Distribution Points: http://crl.r2m02.amazontrust.com/r2m02.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://ocsp.r2m02.amazontrust.com Issuing Certificate URL: http://crt.r2m02.amazontrust.com/r2m02.cer Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth DNS Names: *.ouraring.com Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

Version: v3 Serial Number: 3699612219393159854320437291281053223 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Amazon CommonName: Amazon RSA 2048 M01 Validity: Not Before: 2026-02-09 00:00 UTC Not After : 2027-03-10 23:59 UTC Subject: CommonName: ouraring.com Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: 81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85 Subject Key Identifier: 47:12:DC:D6:1C:B8:95:96:73:F6:8D:B5:C3:26:AB:F2:1C:2F:D2:59 CRL Distribution Points: http://crl.r2m01.amazontrust.com/r2m01.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://ocsp.r2m01.amazontrust.com Issuing Certificate URL: http://crt.r2m01.amazontrust.com/r2m01.cer Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth DNS Names: ouraring.com *.ouraring.com Certificate Signature Algorithm: SHA256-RSA Certificate Signature: 60:05:E1:A9:48:67:D4:BB:83:A0:D9:5B:D4:08:03:A1: B5:73:80:26:36:9F:EF:AB:40:77:7F:31:95:68:7B:AC: 1E:02:3A:E2:45:9D:C7:2E:FD:8D:12:68:99:07:64:F6: 96:35:F4:0C:75:F8:C1:A5:CD:67:A4:FE:31:76:45:39: D2:32:93:24:40:DE:70:52:2C:83:F2:DC:8E:C2:3C:00: 3F:E3:CF:CB:C8:77:53:4E:17:11:D1:C1:08:05:2B:07: AC:8E:77:93:13:F6:A7:63:D5:F3:A7:83:A1:28:92:F3: BA:15:18:85:1E:19:87:29:9D:4B:2A:4C:21:52:45:15: 83:CE:07:1C:14:07:30:FF:BB:23:6A:18:71:4B:48:DE: 9F:70:1D:AA:C1:6E:9E:F9:26:0E:2D:17:64:B0:65:6E: F1:DF:15:A4:D7:25:71:B9:5C:E3:75:D5:37:C9:73:B6: 8B:88:B9:8B:3A:A0:30:72:F8:54:10:6A:F1:6B:6A:26: 40:75:E7:9C:A0:5C:84:24:1B:3D:B9:38:C7:7E:2A:18: 53:D3:63:E9:6E:11:DD:55:F5:DA:11:7C:35:95:93:C7: A7:A0:E9:92:68:4A:DC:BD:FF:DB:94:A3:E6:49:EF:9F: 5F:12:4A:B5:28:01:9B:CD:65:AD:FD:2C:30:CE:E6:E0

Version: v3 Serial Number: 5287298283164151618858170739972380375 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Amazon CommonName: Amazon RSA 2048 M02 Validity: Not Before: 2025-08-13 00:00 UTC Not After : 2026-09-11 23:59 UTC Subject: CommonName: signup.ouraring.com Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: C0:31:52:CD:5A:50:C3:82:7C:74:71:CE:CB:E9:9C:F9:7A:EB:82:E2 Subject Key Identifier: A9:E2:EB:DE:EB:F9:D0:7C:02:8B:49:D5:B9:68:3C:7E:C0:24:40:8A CRL Distribution Points: http://crl.r2m02.amazontrust.com/r2m02.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://ocsp.r2m02.amazontrust.com Issuing Certificate URL: http://crt.r2m02.amazontrust.com/r2m02.cer Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth DNS Names: signup.ouraring.com Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

Version: v3 Serial Number: 6246239027358920745842294857908939530 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Amazon CommonName: Amazon RSA 2048 M01 Validity: Not Before: 2025-10-22 00:00 UTC Not After : 2026-11-20 23:59 UTC Subject: CommonName: us.platform.ouraring.com Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: 81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85 Subject Key Identifier: FD:98:4A:B4:53:26:24:2C:37:1E:FB:BF:37:2C:CC:62:7E:3B:48:4C CRL Distribution Points: http://crl.r2m01.amazontrust.com/r2m01.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://ocsp.r2m01.amazontrust.com Issuing Certificate URL: http://crt.r2m01.amazontrust.com/r2m01.cer Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth DNS Names: us.platform.ouraring.com Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

Version: v3 Serial Number: 6421281928898488261220389790611668653 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Amazon CommonName: Amazon RSA 2048 M04 Validity: Not Before: 2026-05-15 00:00 UTC Not After : 2026-11-28 23:59 UTC Subject: CommonName: platform.ouraring.com Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: 1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08 Subject Key Identifier: 0A:45:55:A6:7E:5A:1C:F6:2B:E7:78:29:72:55:E1:B2:37:FA:5C:31 CRL Distribution Points: http://crl.r2m04.amazontrust.com/r2m04.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://ocsp.r2m04.amazontrust.com Issuing Certificate URL: http://crt.r2m04.amazontrust.com/r2m04.cer Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth DNS Names: platform.ouraring.com Certificate Signature Algorithm: SHA256-RSA Certificate Signature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