Version: v3 Serial Number: 178546738687547561056723932428233871884 Signature Algorithm: ECDSA-SHA256 Issuer: Country: US Organization: Google Trust Services CommonName: WE1 Validity: Not Before: 2024-11-08 21:40 UTC Not After : 2025-02-06 21:40 UTC Subject: CommonName: staging.events.ringcentral.com Subject Public Key Info: Public Key Algorithm: ECDSA Public Key: 93:46:5C:A5:A3:3D:F2:25:79:D6:30:96:D5:D4:FF:7C: F2:A5:29:FF:A2:A7:E4:7C:9A:BD:53:AA:C7:DD:84:1A: 4E:76:26:FD:62:97:EB:D7:E6:82:C9:F2:90:08:6B:F4: A2:30:AA:45:90:44:02:67:77:32:20:29:0F:9C:5C:1E Authority Key Identifier: 90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38 Subject Key Identifier: C9:AB:CA:7B:26:29:A3:C3:EC:82:EA:40:E8:2C:25:B4:0E:D7:72:93 CRL Distribution Points: http://c.pki.goog/we1/2Yc9DoenKIc.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://o.pki.goog/s/we1/hlI Issuing Certificate URL: http://i.pki.goog/we1.crt Key Usage: Digital Signature Extended Key Usage: Server Auth DNS Names: staging.events.ringcentral.com *.staging.events.ringcentral.com Certificate Signature Algorithm: ECDSA-SHA256 Certificate Signature: 30:45:02:21:00:A7:A7:8C:E1:12:F0:2D:71:83:90:00: EB:DE:66:35:4D:43:3C:57:74:49:EF:E0:EB:76:2F:C2: 35:4A:A9:CF:84:02:20:2E:0E:47:D6:15:0F:C1:CA:C6: A7:A8:34:F0:50:C1:DE:23:9D:59:D2:88:2E:9A:6E:69: 8C:F2:59:56:E2:D8:EE

Version: v3 Serial Number: 15585809052127290827242852921483965115 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: DigiCert Inc Organizational Unit: www.digicert.com CommonName: Thawte TLS RSA CA G1 Validity: Not Before: 2024-09-04 00:00 UTC Not After : 2025-09-03 23:59 UTC Subject: CommonName: *.ringcentral.com.au Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7 Subject Key Identifier: FF:27:3E:4D:D4:BE:58:78:61:0D:7D:19:B9:3A:DD:AB:A3:19:4D:C3 CRL Distribution Points: http://cdp.thawte.com/ThawteTLSRSACAG1.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://status.thawte.com Issuing Certificate URL: http://cacerts.thawte.com/ThawteTLSRSACAG1.crt Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: *.ringcentral.com.au ringcentral.com.au Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

Version: v3 Serial Number: 13655559801836141885680782540911100197 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: DigiCert Inc Organizational Unit: www.digicert.com CommonName: Thawte TLS RSA CA G1 Validity: Not Before: 2024-01-11 00:00 UTC Not After : 2025-01-10 23:59 UTC Subject: CommonName: *.ha.ringcentral.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: A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7 Subject Key Identifier: 4D:A2:EA:05:2D:21:22:10:14:B4:E9:BB:95:BE:C6:91:62:E1:8F:A3 CRL Distribution Points: http://cdp.thawte.com/ThawteTLSRSACAG1.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://status.thawte.com Issuing Certificate URL: http://cacerts.thawte.com/ThawteTLSRSACAG1.crt Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: *.ha.ringcentral.com ha.ringcentral.com Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

Version: v3 Serial Number: 1584138579812865807404691599726117975 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: DigiCert Inc Organizational Unit: www.digicert.com CommonName: Thawte TLS RSA CA G1 Validity: Not Before: 2024-02-15 00:00 UTC Not After : 2025-02-14 23:59 UTC Subject: CommonName: *.ringcentral.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: A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7 Subject Key Identifier: 78:AC:1F:A7:6C:DE:C1:33:75:DB:F9:02:8C:30:B4:B3:BE:09:9F:E0 CRL Distribution Points: http://cdp.thawte.com/ThawteTLSRSACAG1.crl Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://status.thawte.com Issuing Certificate URL: http://cacerts.thawte.com/ThawteTLSRSACAG1.crt Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: *.ringcentral.com ringcentral.com Certificate Signature Algorithm: SHA256-RSA Certificate Signature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