ECHO

SEC source: 0001353333-26-000006 · form4-06082026_110622.xml · nonDerivative · entry 1

Manson Dean · CIK 0001353333 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,058

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transaction reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2026.

F2 · balance_after: Includes shares acquired under the Company's Employee Stock Purchase Plan.

SEC source: 0001697157-26-000005 · form4-05202026_090539.xml · derivative · entry 3

Wade William David · CIK 0001697157 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,000 shares

Expires 2026-07-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of grant.

SEC source: 0001697157-26-000005 · form4-05202026_090539.xml · nonDerivative · entry 1

Wade William David · CIK 0001697157 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,324

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000904548-26-000003 · form4-05152026_110531.xml · derivative · entry 13

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,371,914

Underlying: Class A Common Stock · 1,902,790 shares

Expires not disclosed

F8 · derivative.exercise_price: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F10 · kind: Pursuant to the terms of the Ergen Two-Year May 2025 SATS GRAT (the "2025 May GRAT"), on May 13, 2026, the 2025 May GRAT distributed 1,902,790 Class B shares held by the 2025 May GRAT to Mr. Ergen as an annuity payment. Following this distribution, the 2025 May GRAT holds 23,097,210 Class B shares. The 2025 May GRAT is scheduled to expire in accordance with its terms on May 13, 2027. Mrs. Cantey M. Ergen serves as the trustee of the 2025 May GRAT.

F8 · derivative.exercise_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F8 · derivative.expiration_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

SEC source: 0000904548-26-000003 · form4-05152026_110531.xml · derivative · entry 12

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · I

Disclosed balance after: 23,097,210

Underlying: Class A Common Stock · 1,902,790 shares

Expires not disclosed

F8 · derivative.exercise_price: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F10 · kind: Pursuant to the terms of the Ergen Two-Year May 2025 SATS GRAT (the "2025 May GRAT"), on May 13, 2026, the 2025 May GRAT distributed 1,902,790 Class B shares held by the 2025 May GRAT to Mr. Ergen as an annuity payment. Following this distribution, the 2025 May GRAT holds 23,097,210 Class B shares. The 2025 May GRAT is scheduled to expire in accordance with its terms on May 13, 2027. Mrs. Cantey M. Ergen serves as the trustee of the 2025 May GRAT.

F8 · derivative.exercise_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F8 · derivative.expiration_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F10 · ownership.nature: Pursuant to the terms of the Ergen Two-Year May 2025 SATS GRAT (the "2025 May GRAT"), on May 13, 2026, the 2025 May GRAT distributed 1,902,790 Class B shares held by the 2025 May GRAT to Mr. Ergen as an annuity payment. Following this distribution, the 2025 May GRAT holds 23,097,210 Class B shares. The 2025 May GRAT is scheduled to expire in accordance with its terms on May 13, 2027. Mrs. Cantey M. Ergen serves as the trustee of the 2025 May GRAT.

SEC source: 0000904548-26-000003 · form4-05152026_110531.xml · derivative · entry 11

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · I

Disclosed balance after: 60,517,502

Underlying: Class A Common Stock · 2,925,750 shares

Expires not disclosed

F8 · derivative.exercise_price: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F9 · kind: Pursuant to the terms of the Ergen Two-Year May 2024 SATS GRAT (the "2024 May GRAT"), on May 13, 2026, the 2024 May GRAT: (i) distributed 381,135 Class B shares held by the 2024 May GRAT to Mr. Ergen as an annuity payment; and (ii) contributed the remaining 2,925,750 Class B shares to Telluray Holdings in exchange for membership units in Telluray Holdings, and the 2024 May GRAT expired in accordance with its terms.

F8 · derivative.exercise_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F8 · derivative.expiration_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F6 · ownership.nature: The shares are held by Telluray Holdings, LLC. Mr. Ergen and Mrs. Ergen are the managers of Telluray Holdings, LLC. Mrs. Ergen, as a manager of Telluray Holdings, LLC, has sole voting power over the Class A shares and Class B shares held by Telluray Holdings, LLC, and Mr. Ergen and Mrs. Ergen, as the managers of Telluray Holdings, LLC, share dispositive power over the Class A shares and Class B shares held by Telluray Holdings, LLC. The reporting persons disclaim beneficial ownership of the shares, except to the extent of their pecuniary interest therein.

SEC source: 0000904548-26-000003 · form4-05152026_110531.xml · derivative · entry 10

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,469,124

Underlying: Class A Common Stock · 381,135 shares

Expires not disclosed

F8 · derivative.exercise_price: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F9 · kind: Pursuant to the terms of the Ergen Two-Year May 2024 SATS GRAT (the "2024 May GRAT"), on May 13, 2026, the 2024 May GRAT: (i) distributed 381,135 Class B shares held by the 2024 May GRAT to Mr. Ergen as an annuity payment; and (ii) contributed the remaining 2,925,750 Class B shares to Telluray Holdings in exchange for membership units in Telluray Holdings, and the 2024 May GRAT expired in accordance with its terms.

F8 · derivative.exercise_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F8 · derivative.expiration_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

SEC source: 0000904548-26-000003 · form4-05152026_110531.xml · derivative · entry 9

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · I

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,306,885 shares

Expires not disclosed

F8 · derivative.exercise_price: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F9 · kind: Pursuant to the terms of the Ergen Two-Year May 2024 SATS GRAT (the "2024 May GRAT"), on May 13, 2026, the 2024 May GRAT: (i) distributed 381,135 Class B shares held by the 2024 May GRAT to Mr. Ergen as an annuity payment; and (ii) contributed the remaining 2,925,750 Class B shares to Telluray Holdings in exchange for membership units in Telluray Holdings, and the 2024 May GRAT expired in accordance with its terms.

F8 · derivative.exercise_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F8 · derivative.expiration_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F9 · ownership.nature: Pursuant to the terms of the Ergen Two-Year May 2024 SATS GRAT (the "2024 May GRAT"), on May 13, 2026, the 2024 May GRAT: (i) distributed 381,135 Class B shares held by the 2024 May GRAT to Mr. Ergen as an annuity payment; and (ii) contributed the remaining 2,925,750 Class B shares to Telluray Holdings in exchange for membership units in Telluray Holdings, and the 2024 May GRAT expired in accordance with its terms.

SEC source: 0002070254-26-000003 · form4-05152026_110512.xml · derivative · entry 1

Ergen Two-Year May 2025 SATS GRAT · CIK 0002070254 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,097,210

Underlying: Class A Common Stock · 1,902,790 shares

Expires not disclosed

F1 · derivative.exercise_price: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F2 · kind: Pursuant to the terms of the Ergen Two-Year May 2025 SATS GRAT (the "2025 May GRAT"), on May 13, 2026, the 2025 May GRAT distributed 1,902,790 Class B shares held by the 2025 May GRAT to Mr. Ergen as an annuity payment. Following this distribution,the 2025 May GRAT holds 23,097,210 Class B shares. The 2025 May GRAT is scheduled to expire in accordance with its terms on May 13, 2027. Mrs. Cantey M. Ergen serves as the trustee of the 2025 May GRAT.

F1 · derivative.exercise_date: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F1 · derivative.expiration_date: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

SEC source: 0001747721-26-000003 · form4-05152026_110529.xml · derivative · entry 2

Telluray Holdings, LLC · CIK 0001747721 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,517,502

Underlying: Class A Common Stock · 2,925,750 shares

Expires not disclosed

F2 · derivative.exercise_price: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F3 · kind: On May 13, 2026, the Ergen Two-Year May 2024 SATS GRAT contributed 2,925,750 Class B shares to the Reporting Person in exchange for membership units in the Reporting Person.

F2 · derivative.exercise_date: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F2 · derivative.expiration_date: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F1 · ownership.direct: Mr. Charles W. Ergen and his spouse, Mrs. Cantey M. Ergen, serve as managers of Telluray Holdings, LLC ("Telluray Holdings"). Mrs. Ergen, as a manager of Telluray Holdings, has sole voting power over the shares of Class A Common Stock and Class B Common Stock held by Telluray Holdings and Mr. Ergen and Mrs. Ergen, as the managers of Telluray Holdings, share dispositive power over the shares of Class A Common Stock and Class B Common Sock held by Telluray Holdings.

SEC source: 0001138538-26-000005 · form4-04032026_090432.xml · derivative · entry 1

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2031-04-01

F1 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001697157-26-000002 · form4-04032026_090409.xml · derivative · entry 1

Wade William David · CIK 0001697157 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2031-04-01

F1 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001327225-26-000002 · form4-04032026_080434.xml · derivative · entry 1

Ortolf Tom A · CIK 0001327225 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2031-04-01

F1 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001738958-26-000002 · form4-04032026_080422.xml · derivative · entry 1

Hershman Lisa W. · CIK 0001738958 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2031-04-01

F1 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001404430-26-000016 · form4-04032026_080412.xml · derivative · entry 1

Dodge R Stanton · CIK 0001404430 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2031-04-01

F1 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001602724-26-000002 · form4-04032026_080448.xml · derivative · entry 1

BYE STEPHEN J · CIK 0001602724 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2031-04-01

F1 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001358901-26-000005 · form4-04032026_080433.xml · derivative · entry 1

Abernathy Kathleen Q · CIK 0001358901 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2031-04-01

F1 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001589074-26-000005 · form4-04032026_080441.xml · derivative · entry 1

Brokaw George R · CIK 0001589074 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2031-04-01

F1 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001295252-26-000006 · form4-03102026_110312.xml · derivative · entry 6

Akhavan Hamid · CIK 0001295252 · Director · CEO, EchoStar Capital

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 233,919

Underlying: Class A Common Stock · 233,918 shares

Expires 2033-12-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The option vests in three equal annual installments beginning on December 31, 2024.

SEC source: 0001295252-26-000006 · form4-03102026_110312.xml · derivative · entry 5

Akhavan Hamid · CIK 0001295252 · Director · CEO, EchoStar Capital

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,251

Underlying: Class A Common Stock · 20,417 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The shares underlying these options vest 25% per year on each of April 1, 2025, April 1, 2026, April 1, 2027 and April 1, 2028.

SEC source: 0001295252-26-000006 · form4-03102026_110312.xml · nonDerivative · entry 3

Akhavan Hamid · CIK 0001295252 · Director · CEO, EchoStar Capital

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 823,293

F1 · price: Based on a weighted average sale price. The shares reported in this transaction were sold at prices ranging from $107.41 to $107.94. Information regarding the number of shares sold at each separate price will be made available upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer.

SEC source: 0001295252-26-000006 · form4-03102026_110312.xml · nonDerivative · entry 2

Akhavan Hamid · CIK 0001295252 · Director · CEO, EchoStar Capital

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 894,298

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001295252-26-000006 · form4-03102026_110312.xml · nonDerivative · entry 1

Akhavan Hamid · CIK 0001295252 · Director · CEO, EchoStar Capital

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 660,380

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001353333-26-000003 · form4-03092026_110354.xml · derivative · entry 7

Manson Dean · CIK 0001353333 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,000

Underlying: Class A Common Stock · 14,000 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The shares underlying these options vest 25% per year on each of April 1, 2025, April 1, 2026, April 1, 2027 and April 1, 2028.

SEC source: 0001353333-26-000003 · form4-03092026_110354.xml · derivative · entry 6

Manson Dean · CIK 0001353333 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,700

Underlying: Class A Common Stock · 7,631 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: 40% of the shares underlying these options vested immediately upon the grant date. The remaining 60% of the shares underlying these options vest 30% per year on each of April 1, 2025 and April 1, 2026.

SEC source: 0001353333-26-000003 · form4-03092026_110354.xml · nonDerivative · entry 4

Manson Dean · CIK 0001353333 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,998

F2 · price: Based on a weighted average sale price. The shares reported in this transaction were sold at prices ranging from $114.33 to $114.80. Information regarding the number of shares sold at each separate price will be made available upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer.

SEC source: 0001353333-26-000003 · form4-03092026_110354.xml · nonDerivative · entry 3

Manson Dean · CIK 0001353333 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,398

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001353333-26-000003 · form4-03092026_110354.xml · nonDerivative · entry 2

Manson Dean · CIK 0001353333 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,398

F1 · price: Based on a weighted average sale price. The shares reported in this transaction were sold at prices ranging from $114.31 to $114.80. Information regarding the number of shares sold at each separate price will be made available upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer.

SEC source: 0001353333-26-000003 · form4-03092026_110354.xml · nonDerivative · entry 1

Manson Dean · CIK 0001353333 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,029

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001661534-26-000006 · form4-03072026_120320.xml · derivative · entry 5

Swieringa John · CIK 0001661534 · PRES, TECH & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,264

Underlying: Class A Common Stock · 35,088 shares

Expires 2034-01-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The shares underlying these options vest 20% per year on each of January 1, 2025, January 1, 2026, January 1, 2027, January 1, 2028 and January 1, 2029.

SEC source: 0001661534-26-000006 · form4-03072026_120320.xml · nonDerivative · entry 3

Swieringa John · CIK 0001661534 · PRES, TECH & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 253,535

F3 · price: Based on a weighted average sale price. The shares reported in this transaction were sold at prices ranging from $113.35 to $113.61. Information regarding the number of shares sold at each separate price will be made available upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer.

F2 · balance_after: Includes shares acquired under the Company's Employee Stock Purchase Plan.

SEC source: 0001661534-26-000006 · form4-03072026_120320.xml · nonDerivative · entry 2

Swieringa John · CIK 0001661534 · PRES, TECH & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 288,623

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes shares acquired under the Company's Employee Stock Purchase Plan.

SEC source: 0001661534-26-000006 · form4-03072026_120320.xml · nonDerivative · entry 1

Swieringa John · CIK 0001661534 · PRES, TECH & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 253,535

F1 · price: Based on a weighted average sale price. The shares reported in this transaction were sold at prices ranging from $114.00 to $114.15. Information regarding the number of shares sold at each separate price will be made available upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer.

F2 · balance_after: Includes shares acquired under the Company's Employee Stock Purchase Plan.

SEC source: 0001661534-26-000003 · form4-01062026_110121.xml · nonDerivative · entry 1

Swieringa John · CIK 0001661534 · PRES, TECH & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275,553

F1 · kind: Represents shares withheld to cover certain tax obligations in connection with the vesting of the RSUs previously reported on Table I.

F2 · balance_after: Includes shares acquired under the Company's Employee Stock Purchase Plan.

SEC source: 0001138538-26-000003 · form4-01052026_110149.xml · derivative · entry 3

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,754 shares

Expires 2026-01-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001138538-26-000003 · form4-01052026_110149.xml · nonDerivative · entry 1

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,967

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001295252-26-000003 · form4-01052026_110145.xml · derivative · entry 3

Akhavan Hamid · CIK 0001295252 · Director · CEO, EchoStar Capital

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 263,158 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") converted into Class A Common Stock on a one-for-one basis on the vesting date.

F1 · price: Each Restricted Stock Unit ("RSU") converted into Class A Common Stock on a one-for-one basis on the vesting date.

F3 · derivative.exercise_date: The RSUs vested on December 31, 2025.

F3 · derivative.expiration_date: The RSUs vested on December 31, 2025.

SEC source: 0001295252-26-000003 · form4-01052026_110145.xml · nonDerivative · entry 1

Akhavan Hamid · CIK 0001295252 · Director · CEO, EchoStar Capital

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 604,876

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Restricted Stock Unit ("RSU") converted into Class A Common Stock on a one-for-one basis on the vesting date.

SEC source: 0001358901-26-000003 · form4-01052026_110119.xml · derivative · entry 3

Abernathy Kathleen Q · CIK 0001358901 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,754 shares

Expires 2026-01-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The shares underlying the option were 100% vested upon the date of the grant.

SEC source: 0001358901-26-000003 · form4-01052026_110119.xml · nonDerivative · entry 2

Abernathy Kathleen Q · CIK 0001358901 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 266

SEC source: 0001358901-26-000003 · form4-01052026_110119.xml · nonDerivative · entry 1

Abernathy Kathleen Q · CIK 0001358901 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,754

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000904548-25-000008 · form4-12302025_121209.xml · nonDerivative · entry 1

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,140,269

SEC source: 0000904548-25-000008 · form4-12302025_121209.xml · derivative · entry 12

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · I

Disclosed balance after: 57,591,752

Underlying: Class A Common Stock · 5,422,728 shares

Expires not disclosed

F8 · derivative.exercise_price: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F10 · kind: On December 22, 2025, certain trusts established by Mr. Ergen for the benefit of his family contributed 5,422,728 Class B shares to Telluray holdings in exchange for membership units in Telluray Holdings.

F8 · derivative.exercise_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F8 · derivative.expiration_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F6 · ownership.nature: The shares are held by Telluray Holdings, LLC. Mr. Ergen and Mrs. Ergen are the managers of Telluray Holdings, LLC. Mrs. Ergen, as a manager of Telluray Holdings, LLC, has sole voting power over the Class A shares and Class B shares held by Telluray Holdings, LLC, and Mr. Ergen and Mrs. Ergen, as the managers of Telluray Holdings, LLC, share dispositive power over the Class A shares and Class B shares held by Telluray Holdings, LLC. The reporting persons disclaim beneficial ownership of the shares, except to the extent of their pecuniary interest therein.

SEC source: 0000904548-25-000008 · form4-12302025_121209.xml · derivative · entry 11

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · I

Disclosed balance after: 52,169,024

Underlying: Class A Common Stock · 16,978,158 shares

Expires not disclosed

F8 · derivative.exercise_price: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F9 · kind: Pursuant to the terms of the Ergen Two-Year December 2023 SATS GRAT (the "2023 December GRAT"), on December 22, 2025, the 2023 December GRAT: (i) distributed 2,060,220 Class B shares held by the 2023 December GRAT to Mr. Ergen as an annuity payment; and (ii) contributed the remaining 16,978,158 Class B shares to Telluray Holdings in exchange for membership units in Telluray Holdings, and the 2023 December GRAT expired in accordance with its terms.

F8 · derivative.exercise_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F8 · derivative.expiration_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F6 · ownership.nature: The shares are held by Telluray Holdings, LLC. Mr. Ergen and Mrs. Ergen are the managers of Telluray Holdings, LLC. Mrs. Ergen, as a manager of Telluray Holdings, LLC, has sole voting power over the Class A shares and Class B shares held by Telluray Holdings, LLC, and Mr. Ergen and Mrs. Ergen, as the managers of Telluray Holdings, LLC, share dispositive power over the Class A shares and Class B shares held by Telluray Holdings, LLC. The reporting persons disclaim beneficial ownership of the shares, except to the extent of their pecuniary interest therein.

SEC source: 0000904548-25-000008 · form4-12302025_121209.xml · derivative · entry 10

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,087,989

Underlying: Class A Common Stock · 2,060,220 shares

Expires not disclosed

F8 · derivative.exercise_price: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F9 · kind: Pursuant to the terms of the Ergen Two-Year December 2023 SATS GRAT (the "2023 December GRAT"), on December 22, 2025, the 2023 December GRAT: (i) distributed 2,060,220 Class B shares held by the 2023 December GRAT to Mr. Ergen as an annuity payment; and (ii) contributed the remaining 16,978,158 Class B shares to Telluray Holdings in exchange for membership units in Telluray Holdings, and the 2023 December GRAT expired in accordance with its terms.

F8 · derivative.exercise_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F8 · derivative.expiration_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

SEC source: 0000904548-25-000008 · form4-12302025_121209.xml · derivative · entry 9

ERGEN CHARLES W · CIK 0000904548 · Director · CHAIRMAN, PRES and CEO · 10% owner

ERGEN CANTEY · CIK 0001138538 · Director · 10% owner · SENIOR ADVISOR

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · I

Disclosed balance after: 0

Underlying: Class A Common Stock · 19,038,378 shares

Expires not disclosed

F8 · derivative.exercise_price: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F9 · kind: Pursuant to the terms of the Ergen Two-Year December 2023 SATS GRAT (the "2023 December GRAT"), on December 22, 2025, the 2023 December GRAT: (i) distributed 2,060,220 Class B shares held by the 2023 December GRAT to Mr. Ergen as an annuity payment; and (ii) contributed the remaining 16,978,158 Class B shares to Telluray Holdings in exchange for membership units in Telluray Holdings, and the 2023 December GRAT expired in accordance with its terms.

F8 · derivative.exercise_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F8 · derivative.expiration_date: The holder of Class B shares may elect to convert any or all of their Class B shares into an equal number of Class A shares at any time for no additional consideration.

F9 · ownership.nature: Pursuant to the terms of the Ergen Two-Year December 2023 SATS GRAT (the "2023 December GRAT"), on December 22, 2025, the 2023 December GRAT: (i) distributed 2,060,220 Class B shares held by the 2023 December GRAT to Mr. Ergen as an annuity payment; and (ii) contributed the remaining 16,978,158 Class B shares to Telluray Holdings in exchange for membership units in Telluray Holdings, and the 2023 December GRAT expired in accordance with its terms.

SEC source: 0002006151-25-000004 · form4-12302025_121242.xml · derivative · entry 1

Ergen Two-Year December 2023 SATS GRAT · CIK 0002006151 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 19,038,378 shares

Expires not disclosed

F1 · derivative.exercise_price: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F2 · kind: Pursuant to the terms of the Ergen Two-Year December 2023 SATS GRAT (the "2023 December GRAT"), on December 22, 2025, the 2023 December GRAT: (i) distributed 2,060,220 Class B shares held by the 2023 December GRAT to Mr. Ergen as an annuity payment; and (ii) contributed the remaining 16,978,158 Class B shares to Telluray Holdings, LLC ("Telluray Holdings") in exchange for membership units in Telluray Holdings, and the 2023 December GRAT expired in accordance with its terms.

F1 · derivative.exercise_date: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F1 · derivative.expiration_date: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

SEC source: 0001747721-25-000004 · form4-12302025_121235.xml · derivative · entry 2

Telluray Holdings, LLC · CIK 0001747721 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,591,752

Underlying: Class A Common Stock · 22,400,866 shares

Expires not disclosed

F2 · derivative.exercise_price: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F3 · kind: On December 22, 2025, certain trusts established by Mr. Ergen for the benefit of his family contributed 22,400,886 Class B shares to the Reporting Person in exchange for membership units in the Reporting Person.

F2 · derivative.exercise_date: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F2 · derivative.expiration_date: The holder of the Class B shares may elect to convert any or all of its Class B shares into an equal number of Class A shares at any time for no additional consideration.

F1 · ownership.direct: Mr. Charles W. Ergen and his spouse, Mrs. Cantey M. Ergen, serve as managers of Telluray Holdings, LLC ("Telluray Holdings"). Mrs. Ergen, as a manager of Telluray Holdings, has sole voting power over the shares of Class A Common Stock and Class B Common Stock held by Telluray Holdings and Mr. Ergen and Mrs. Ergen, as the managers of Telluray Holdings, share dispositive power over the shares of Class A Common Stock and Class B Common Sock held by Telluray Holdings.

SEC source: 0001295252-25-000008 · form4-12162025_121240.xml · derivative · entry 27

Akhavan Hamid · CIK 0001295252 · Director · CEO, EchoStar Capital

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 122,500

Underlying: Class A Common Stock · 285,832 shares

Expires 2034-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transaction reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2025.

F27 · derivative.exercise_date: 40% of the shares underlying these options vested immediately upon the grant date. The remaining 60% of the shares underlying these options vest 30% per year on each of April 1, 2025 and April 1, 2026.

SEC source: 0001295252-25-000008 · form4-12162025_121240.xml · nonDerivative · entry 25

Akhavan Hamid · CIK 0001295252 · Director · CEO, EchoStar Capital

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 376,805

F1 · kind: The transaction reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2025.

F25 · price: Based on a weighted average sale price. The shares reported in this transaction were sold at prices ranging from $108.61 to $109.39. Information regarding the number of shares sold at each separate price will be made available upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer.