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:

09/01/2026

TRUSTEES OF AMENDMENT AND RESTATEMENT (DATED AS OF APRIL 22, 2005) OF VOTING TRUST UNDER AGREEMENT DATED AS OF JUNE 30, 1989

Signature:

/s/ Walter C. D. Carlson

Name/Title:

Walter C. D. Carlson, Trustee

Date:

09/01/2026

Signature:

/s/ Letitia G. Carlson, M.D.

Name/Title:

Letitia G. Carlson, M.D., Trustee

Date:

09/01/2026

Signature:

/s/ Prudence E. Carlson

Name/Title:

Prudence E. Carlson, Trustee

Date:

09/01/2026

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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

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(c)

Present Principal Occupation or Employment:

Private Investor

(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:

Private Investor

(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

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(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. and Executive Vice President, Chief Financial Officer and Treasurer of Array Digital Infrastructure, 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 at Warburg Pincus Deutschland GmbH

(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, McKesson Corporation

(f)

Citizenship:

United States

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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, a wholly-owned subsidiary of Telephone and Data Systems, Inc.
			(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:
						President and Chief Executive Officer of Array Digital Infrastructure, Inc.
			(f)			Citizenship:
						United States
(V)			(a)			Name:
						Vicki L. Villacrez

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			(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. and Executive Vice President, Chief Financial Officer and Treasurer of Array Digital Infrastructure, Inc.
			(f)			Citizenship:
						United States

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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:
						Private Investor
			(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:
						President and Chief Executive Officer at Array Digital Infrastructure, Inc.
			(f)			Citizenship:
						United States

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APPENDIX D

Name						Number of Common Shares Beneficially Owned as of Latest Practicable Date						Percentage of the Issuer’s Common Shares
Kenneth S. Dixon						-0-						—
Anthony J. M. Carlson						13,093						—
LeRoy T. Carlson, Jr.						-0-						—
Letitia G. Carlson, M.D.						-0-						—
Prudence E. Carlson						-0-						—
Walter C. D. Carlson						44,628						*
Kimberly D. Dixon						-0-						—
George W. Off						-0-						—
Christopher D. O’Leary						-0-						—
Wade Oosterman						-0-						—
Vicki L. Villacrez						-0-						—
Dirk S. Woessner						-0-						—
Napoleon B. Rutledge, Jr						-0-						—
TOTAL						57,721						*

*Less than 1%