Core Points - GCI Liberty will participate in a Q&A session during the Liberty Media annual Investor Meeting on November 20, 2025, hosted by John Malone and Derek Chang [1][2] - GCI Liberty is a subsidiary of GCI, LLC, which is Alaska's largest communications provider, serving over 200 communities [3] - GCI has invested $4.7 billion in its network and facilities in Alaska over the past 45 years to enhance connectivity and address the digital divide [3] Company Information - GCI Liberty, Inc. trades on Nasdaq under the symbols GLIBA and GLIBK [4][8] - The company is involved in telecommunications, providing data, voice, and managed services [5] - GCI Liberty has announced a $300 million rights offering for Series C GCI Group common stock, with subscription rights distributed to holders of Series A, B, and C common stock [7]

Financial Performance - GCI Liberty reported a 2% decline in total revenue to $257 million for Q3 2025, with consumer revenue down 4% and business revenue flat year-over-year [3]. - The company incurred an operating loss of $488 million, primarily due to a $525 million non-cash impairment charge related to intangible assets and goodwill [6]. - Adjusted OIBDA decreased 8% to $92 million, with an Adjusted OIBDA margin of 35.8%, down 240 basis points from the previous year [7]. - GCI Liberty reported a revenue of $257 million for Q3 2025, a decrease from $262 million in Q3 2024 [36]. - The operating loss for Q3 2025 was $(488) million, compared to an operating income of $41 million in Q3 2024 [36]. - Adjusted OIBDA for Q3 2025 was $92 million, down from $100 million in Q3 2024 [34]. - The net loss for Q3 2025 was $(387) million, contrasting with a net income of $21 million in Q3 2024 [36]. Cash Flow and Liquidity - GCI generated net cash provided by operating activities of $357 million and free cash flow of $155 million over the trailing twelve months ended September 30, 2025 [12]. - Free cash flow for the twelve months ended September 30, 2025, was $155 million, with net cash provided by operating activities at $357 million [34]. - GCI's cash, cash equivalents, and restricted cash increased by $20 million in Q3 2025, primarily due to cash from operations [25]. - Cash and cash equivalents rose to $124 million as of September 30, 2025, compared to $74 million at the end of 2024 [35]. Debt and Assets - GCI's total debt remained flat at $1,045 million as of September 30, 2025, with a leverage ratio of 2.3x [26]. - Total current assets increased to $405 million as of September 30, 2025, from $319 million at the end of 2024 [35]. - Total liabilities decreased to $1,621 million as of September 30, 2025, from $1,953 million at the end of 2024 [35]. - GCI Liberty's total assets decreased to $3,011 million as of September 30, 2025, from $3,382 million at the end of 2024 [35]. Subscriber Metrics - Consumer cable modem subscribers declined 3% to 153,100, while consumer wireless lines in service increased 2% to 207,500 [3]. - GCI's wireless revenue increased by 11% to $52 million, driven by an increase in federal wireless subsidies [17]. Capital Expenditures and Future Plans - Capital expenditures for the full year 2025 are projected to be between $225 million and $250 million, primarily for improvements to wireless and data networks in rural Alaska [11]. - GCI Liberty announced a $300 million rights offering to all stockholders, expected to commence before year-end [3].

Financial Performance - Consolidated revenue decreased by $5 million to $257 million for the three months ended September 30, 2025, but increased by $31 million to $784 million for the nine months ended September 30, 2025, compared to the same periods in 2024[102]. - Operating income for the three months ended September 30, 2025, was a loss of $488 million, compared to an operating income of $41 million for the same period in 2024[102]. - Total revenue for the three months ended September 30, 2025, was $257 million, a decrease of 2% compared to $262 million for the same period in 2024[107]. - Adjusted OIBDA for the nine months ended September 30, 2025, was $313 million, an increase from $276 million in the same period of 2024[102]. - Adjusted OIBDA for the three months ended September 30, 2025, was $92 million, a decrease of $8 million (8.0%) compared to $100 million for the same period in 2024[120]. - Operating loss for the three months ended September 30, 2025, was $488 million, compared to an operating income of $41 million for the same period in 2024, reflecting a significant increase in losses[119]. Subscriber and Service Metrics - GCI Holdings had 153,100 cable modem subscribers as of September 30, 2025, down from 157,400 in 2024, while wireless lines in service increased to 207,500 from 204,000[104]. - Consumer data revenue decreased by $2 million (3.3%) for the three months ended September 30, 2025, primarily due to a decrease in the number of subscribers[108]. - Consumer wireless revenue increased by $5 million (10.6%) for the three months ended September 30, 2025, driven by increased wireless USF support for high-cost areas[109]. - Business data revenue increased by $1 million (0.8%) for the three months ended September 30, 2025, primarily due to service upgrades with existing healthcare and education customers[111]. Impairments and Legal Challenges - The company recorded an impairment of goodwill and intangible assets amounting to $525 million during the third quarter of 2025[102]. - The company recorded an impairment of goodwill and intangible assets of $525 million during the nine months ended September 30, 2025[118]. - The company faces risks from ongoing legal challenges to the constitutionality of the FCC Universal Service Support Programs, which could disrupt or eliminate financial support received[100]. Economic and Operational Environment - The Alaska economy, which GCI Holdings is heavily dependent on, faces recessionary pressures due to volatility in oil prices and inflation, potentially affecting demand for its services[92]. - GCI Holdings continues to monitor inflation-sensitive costs, which have been rising and could impact its ability to maintain margins[93]. Cash Flow and Debt Management - Net cash provided by operating activities increased to $302 million for the nine months ended September 30, 2025, compared to $223 million for the same period in 2024[128]. - As of September 30, 2025, the company had a cash and cash equivalents balance of $124 million[127]. - The projected uses of cash include approximately $80 million for net capital expenditures and $20 million for interest payments on outstanding debt[131]. - As of September 30, 2025, the company has variable rate debt amounting to $372 million with a weighted average interest rate of 6.2%[135]. - The company also holds fixed rate debt totaling $600 million with a weighted average interest rate of 4.8%[135]. Other Financial Considerations - The company expects to incur fees not exceeding approximately $5 million for public company support services from Liberty Media in the first year of the Services Agreement[90]. - The enactment of the One Big Beautiful Bill Act (OBBBA) allowed the company to defer cash taxes to future years, although it did not materially impact income tax expense[94].

Core Points - GCI Liberty, Inc. has declared a dividend of pro rata subscription rights for its Series C GCI Group common stock [1] - The dividend is available to all holders of record of Series A, Series B, and Series C GCI Group common stock as of November 24, 2025 [1] - The aggregate intended offering price for the subscription rights is $300 million [1]

GCI LIBERTY REPORTS SECOND QUARTER 2025 FINANCIAL RESULTS Exhibit 99.1 Englewood, Colorado, August 7, 2025 – GCI Liberty, Inc. ("GCI Liberty") (Nasdaq: GLIBA, GLIBK) today reported second quarter 2025 results. Headlines include (1): Discussion of Results "GCI delivered strong results during the quarter, reflecting our operating progress and breadth of connectivity services," said GCI Liberty CEO, Ron Duncan. "The strength of our business translated into solid revenue and Adjusted OIBDA growth, which also re ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-42742 GCI Liberty, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of ...