SK Telecom二季度营业利润同比增长67.3%并加码AI数据中心

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Introduction & Market Context
SK Telecom presented its Q2 2026 investor briefing on August 5, 2026, revealing a dramatic 67.3% year-over-year surge in operating income despite modest revenue growth, as the South Korean telecommunications giant accelerates its strategic pivot toward AI infrastructure. The company’s shares responded positively, closing the regular session at $34.80, up 7.94%, and climbing another 1.49% in after-hours trading to $35.32.
The presentation outlined an aggressive expansion into AI data centers through the newly established SK Hyper subsidiary, signaling a fundamental shift in the company’s business model from traditional telecom operator to AI infrastructure provider. This strategic transformation comes as the company navigates challenges in its legacy mobile business while capitalizing on surging demand for data center capacity.
Quarterly Performance Highlights
SK Telecom reported consolidated revenue of KRW 4,359.1 billion for Q2 2026, representing a modest 0.5% increase year-over-year but a 0.8% decline from the previous quarter. The revenue performance masked significant improvements in profitability, with operating income reaching KRW 566 billion—a 67.3% year-over-year increase attributed to profitability-focused management and the base effect from last year’s USIM replacement costs.
The following chart presents the company’s key consolidated financial results for the quarter:
Net income showed even more dramatic improvement, surging 459.8% year-over-year to KRW 466 billion, while net income attributable to owners of the parent company reached KRW 470.6 billion, up 425.0% from the prior year period. EBITDA grew 17.0% year-over-year to KRW 1,442.3 billion, demonstrating improved operational efficiency across the business.
Operating expenses declined 5.2% year-over-year to KRW 3,793.0 billion, reflecting disciplined cost management. The company’s subsidiary SK Broadband (SKB) contributed significantly to the consolidated performance, with revenue growing 3.6% year-over-year to KRW 1,160.3 billion, driven by continued growth in the data center business.
Business Segment Analysis
Mobile Business Challenges
The mobile segment faced headwinds during the quarter, with service revenue declining 1.9% year-over-year to KRW 2,563.4 billion due to a decrease in subscribers. However, the company maintained positive momentum in 5G adoption and achieved handset subscriber net additions for two consecutive quarters.
As illustrated in the following subscriber and 5G trends analysis:
Total handset subscribers reached 21.97 million in Q2 2026, essentially flat from the prior year, while 5G subscribers continued to grow, reaching 17.973 million. The 5G penetration rate among handset subscribers held steady at 45.7%, while 5G market share improved to 82%, up from 77% in the prior year period. Marketing expenses increased 3.1% year-over-year to KRW 747.7 billion as the company invested in subscriber acquisition and retention.
Fixed-Line Growth
The fixed-line business delivered stronger performance, with revenue growing 3.8% year-over-year to KRW 296.8 billion, driven by broadband subscriber net additions and an increasing share of high-speed Giga subscribers. Pay TV revenue declined slightly by 0.8% to KRW 471.1 billion, while enterprise revenue fell 3.6% to KRW 280.1 billion.
The company’s subscriber trends in broadband and IPTV services demonstrated steady growth:
Broadband subscribers reached 7,348,000 in Q2 2026, up 2.4% year-over-year, while IPTV subscribers totaled 6,754,000, representing a 0.5% increase from the prior year. The consistent growth in broadband subscribers reflects strong demand for high-speed internet services, particularly as remote work and digital consumption patterns remain elevated.
AI Business Acceleration
The AI business segment emerged as the standout performer, with AI data center revenue surging 92.5% year-over-year to KRW 136.2 billion, driven by higher utilization of data centers and increased revenue contribution from submarine cable operations. AI B2B/B2C revenue grew 24.5% year-over-year to KRW 61.3 billion due to orders for cloud business services.
The company’s submarine cable business expansion strategy illustrates its long-term infrastructure investment approach:
SK Telecom outlined a phased submarine cable expansion to meet growing traffic demand. The SJC2 (Southeast Asia-Japan Cable 2) connecting Japan, Korea, Hong Kong, and Singapore with a total length of 10,500 km launched in July 2025. The E2A (East Asia To North America) cable, spanning 12,500 km and connecting the U.S., Korea, Japan, and Taiwan, is scheduled to launch in 2029, with further expansion planned across Asia.
Strategic Initiatives
SK Hyper Establishment
In July 2026, SK Telecom established SK Hyper as a wholly-owned subsidiary to spearhead AI data center business development. The new entity will focus on proactively securing sites, building and operating substations, developing transmission and distribution infrastructure, and acquiring tenants.
The company’s ambitious AI data center expansion plan represents a fundamental strategic shift:
SK Telecom plans to expand from current capacity of 137MW to 5GW in Phase 1, with phased opening beginning in 2029, and ultimately to 15GW in Phase 2 through sequential expansion in line with market demand. The company intends to minimize direct investment by leveraging strategic partner investments, project financing, and other external funding mechanisms.
According to the earnings call, CFO Jongsuk Park stated that SK Telecom aims to become "Korea’s number one AI infrastructure company" and will lead gigawatt-scale projects while minimizing direct investment. The company has committed KRW 750 billion to SK Hyper, with KRW 330 billion to be invested in 2026 and the remainder in installments from 2027 onward.
Management emphasized that the expansion will be demand-driven rather than speculative, with discussions already underway with global big tech companies. Construction of a new Seoul data center began in May 2026, marking the first step in the ambitious expansion plan.
Shareholder Returns
SK Telecom maintained its quarterly dividend at KRW 830 per share for Q2 2026, consistent with recent quarters and marking the 34th consecutive year of dividend payments. The company’s shareholder return policy for fiscal years 2024-2026 targets total shareholder returns of more than 50% of adjusted net profit on a consolidated basis.
The following chart presents the company’s dividend trend and policy:
Total dividends for the first half of 2026 amounted to KRW 353.6 billion, with dividend per share of KRW 1,660 for the half-year period. The dividend yield for Q2 2026 stood at 0.9%, bringing the year-to-date yield to 2.0%, down from 3.1% in the prior year due to stock price appreciation. The dividend record date for Q2 2026 is August 31, 2026.
Management confirmed during the earnings call that the AI data center investment plan would not affect the company’s dividend policy, reiterating the commitment to the KRW 830 quarterly dividend while pursuing aggressive growth in AI infrastructure.
Operating Metrics and Efficiency
Detailed operating data reveals the underlying trends driving the company’s performance. The following comprehensive metrics provide insight into subscriber dynamics and capital allocation:
MNO (Mobile Network Operator) subscribers totaled 30,934,000 in Q2 2026, down 0.2% year-over-year with net subscriber losses of 41,000 during the quarter. However, monthly churn improved to 0.8%, down 0.8 percentage points from the prior year, indicating better customer retention despite the competitive environment.
The 5G subscriber base reached 17,973,000, up 5.6% year-over-year and 1.0% quarter-over-quarter, while LTE subscribers declined 13.5% to 4,392,000 as customers continued migrating to 5G services. Total mobile subscribers, including MVNO, stood at 33,571,000.
For SK Broadband, Pay TV subscribers totaled 9,431,000, down 0.7% year-over-year, with IPTV subscribers at 6,754,000 (up 0.5%) and CATV subscribers at 2,677,000 (down 3.4%). Broadband subscribers reached 7,348,000, up 2.4% year-over-year and 0.5% quarter-over-quarter.
Capital expenditure for the quarter totaled KRW 487 billion, down 23.3% year-over-year but up 256.7% from the first quarter, reflecting the typical seasonal pattern of telecom infrastructure investment. Average revenue per user (ARPU) remained stable at KRW 29,098, up 0.1% year-over-year, while ARPU including MVNO declined 0.5% to KRW 27,202.
Forward-Looking Statements
SK Telecom’s presentation emphasized the structural nature of AI infrastructure demand, driven by growth in inference workloads and broader AI adoption across public and industrial sectors. Lee Jae-shin, head of AI business development, noted during the earnings call that the company is in active talks with global tech companies and will expand in stages based on confirmed demand.
The company’s 15 gigawatt capacity target represents one of the most ambitious AI data center expansion plans in Asia, positioning SK Telecom to capture significant market share in a rapidly growing segment. Management indicated that Ulsan is expected to be a starting point for future negotiations with hyperscale customers.
However, the strategy carries execution risks, including the complexity and capital intensity of building gigawatt-scale data centers, demand uncertainty as customer commitments are still being negotiated, competitive pressure from global cloud providers and other Asian infrastructure players, and potential funding challenges if market conditions deteriorate.
The company’s current valuation reflects investor optimism about the AI infrastructure opportunity, with shares trading at a P/E ratio above 58 and within the 52-week range of $19.66 to $47.18. The strong market reaction to the Q2 2026 presentation suggests investors are increasingly viewing SK Telecom as an AI infrastructure platform rather than a traditional telecom operator, though execution on the ambitious expansion plan will be critical to justify the premium valuation.
Full presentation:
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