Exhibit 1

JOINT FILING AGREEMENT

The undersigned hereby agree and consent, pursuant to Rule 13d-1(k), to the joint filing of all Schedules 13D and/or Schedules 13G (including any amendments thereto) on behalf of such parties with respect to the Issuer.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

TELEPHONE AND DATA SYSTEMS, INC.
Signature:/s/ Walter C. D. Carlson
Name/Title:Walter C. D. Carlson, President and Chief Executive Officer
Date:08/05/2025
TELEPHONE & DATA SYSTEMS INC VOTING TRUST 1989
Signature:/s/ Walter C. D. Carlson
Name/Title:Walter C. D. Carlson, Trustee
Date:08/05/2025
Signature:/s/ Letitia G. Carlson, M.D.
Name/Title:Letitia G. Carlson, M.D.
Date:08/05/2025
Signature:/s/ Prudence E. Carlson
Name/Title:Prudence E. Carlson
Date:08/05/2025
Signature:/s/ Anthony J.M. Carlson
Name/Title:Anthony J.M. Carlson
Date:08/05/2025



APPENDIX A

DIRECTORS OF TDS

(I)(a)Name:
Walter C. D. Carlson
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
President and Chief Executive Officer of Telephone and Data Systems, Inc.
(f)Citizenship:
United States
(II)(a)Name:
LeRoy T. Carlson, Jr.
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Vice Chair of Telephone and Data Systems, Inc.
(f)Citizenship:
United States
(III)(a)Name:
Kenneth S. Dixon
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
President and Chief Executive Officer of TDS Telecommunications LLC, a wholly-owned subsidiary of Telephone and Data Systems, Inc.
(f)Citizenship:
United States
(IV)(a)Name:
Letitia G. Carlson, M.D.
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Physician and Clinical Professor at George Washington University Medical Faculty Associates
(f)Citizenship:
United States
(V)(a)Name:
Prudence E. Carlson
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602



(c)Present Principal Occupation or Employment:
Writer, art critic and art consultant
(f)Citizenship:
United States
(VI)(a)Name:
Kimberly D. Dixon
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Private Investor
(f)Citizenship:
United States
(VII)(a)Name:
George W. Off
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Private Investor
(f)Citizenship:
United States
(VIII)(a)Name:
Christopher D. O’Leary
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Senior Advisor of Twin Ridge Capital Management
(f)Citizenship:
United States
(IX)(a)Name:
Wade Oosterman
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Private Investor
(f)Citizenship:
Canadian
(X)(a)Name:
Vicki L. Villacrez



(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Executive Vice President and Chief Financial Officer of Telephone and Data Systems, Inc.
(f)Citizenship:
United States
(XI)(a)Name:
Dirk S. Woessner
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Senior Vice President of Warburg Pincus
(f)Citizenship:
German
(XII)(a)Name:
Napoleon B. Rutledge, Jr.
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Senior Vice President and Chief Accounting Officer of McKesson Corporation, a global healthcare company
(f)Citizenship:
United States



APPENDIX B

EXECUTIVE OFFICERS OF TDS

(I)(a)Name:
Walter C.D. Carlson
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
President and Chief Executive Officer of Telephone and Data Systems, Inc.
(f)Citizenship:
United States
(II)(a)Name:
LeRoy T. Carlson, Jr.
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Vice Chair of Telephone and Data Systems, Inc.
(f)Citizenship:
United States
(III)(a)Name:
Kenneth S. Dixon
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
President and Chief Executive Officer of TDS Telecommunications LLC
(f)Citizenship:
United States
(IV)(a)Name:
Joseph R. Hanley
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Senior Vice President - Strategy and Corporate Development of Telephone and Data Systems, Inc.
(f)Citizenship:
United States
(V)(a)Name:
Douglas W. Chambers



(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Interim President and Chief Executive Officer of Array Digital Infrastructure
(f)Citizenship:
United States



APPENDIX C

TRUSTEES OF THE VOTING TRUST

(I)(a)Name:
Walter C. D. Carlson
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
President and Chief Executive Officer of Telephone and Data Systems, Inc.
(f)Citizenship:
United States
(II)(a)Name:
Letitia G. Carlson, M.D.
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Physician and Clinical Professor at George Washington University Medical Faculty Associates
(f)Citizenship:
United States
(III)(a)Name:
Prudence E. Carlson
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Writer, art critic and art consultant
(f)Citizenship:
United States
(IV)(a)Name:
Anthony J.M. Carlson
(b)Business Address:
Telephone and Data Systems, Inc.
30 North LaSalle Street
Suite 4000
Chicago, Illinois 60602
(c)Present Principal Occupation or Employment:
Vice President of Organizational Transformation at TDS Telecommunications LLC
(f)Citizenship:
United States



APPENDIX D

NameNumber of Common Shares Beneficially Owned as of Latest Practicable DatePercentage of the Issuer’s Common Shares
Kenneth S. Dixon-0-
LeRoy T. Carlson, Jr.-0-
Letitia G. Carlson, M.D.-0-
Prudence E. Carlson-0-
Walter C. D. Carlson44,628*
Kimberly D. Dixon-0-
Joseph R. Hanley-0-
George W. Off-0-
Christopher D. O’Leary-0-
Wade Oosterman-0-
Douglas W. Chambers110,900*
Vicki L. Villacrez-0-
Dirk S. Woessner-0-
Napoleon B. Rutledge, Jr-0-
TOTAL155,528*
*Less than 1%