Exhibit 99.1 Weibo Announces First Quarter 2025 Unaudited Financial Results BEIJING, China – May 21, 2025 – Weibo Corporation ("Weibo" or the "Company") (Nasdaq: WB and HKEX: 9898), a leading social media in China, today announced its unaudited financial results for the first quarter ended March 31, 2025. "We are pleased with our progresses made on the AI product front," said Gaofei Wang, CEO of Weibo. "On the user front, we remain committed to creating user value by focusing on the integration of Weibo's s ...

Financial Performance - Weibo-SW reported Q1 2025 net revenue of $396.9 million, flat year-over-year, or a 1% increase when adjusted for fixed exchange rates [1] - Operating profit was $110 million, with an operating margin of 28% [1] - Net profit attributable to Weibo shareholders reached $107 million, a year-over-year increase of 116.36% [1] - Diluted earnings per share stood at $0.41 [1] User Engagement - As of March 2025, Weibo had 591 million monthly active users and 261 million daily active users [1] - The user scale and engagement further improved in Q1, focusing on user value and product integration [2] Revenue Breakdown - Advertising and marketing revenue was $339.1 million, remaining stable compared to the previous year [1] - Excluding Alibaba's advertising revenue, this segment decreased by 6% to $296.5 million, primarily due to reduced contributions from the online gaming and mobile sectors [1] - Revenue from Alibaba's advertising increased by 89% to $42.6 million, driven by promotional needs related to the Spring Festival and AI product marketing [1] - Value-added services revenue was $57.7 million, a 2% increase year-over-year, mainly due to growth in membership services [1] Strategic Focus - The CEO expressed satisfaction with the progress in AI applications, highlighting the launch of the Weibo Smart Search feature to all users [2] - The company aims to enhance content marketing and improve the efficiency of information flow bidding ads, maintaining stable advertising business performance [2] - Cost management has improved operational efficiency, allowing for investments in product competitiveness, AI technology, and shareholder returns [2]

Financial Performance - In Q1 2025, Weibo reported net revenue of $396.9 million, remaining flat year-over-year, or a 1% increase when adjusted for fixed exchange rates [1] - Advertising and marketing revenue was $339.1 million, also flat year-over-year, or a 1% increase when adjusted for fixed exchange rates [1] - Value-added services revenue reached $57.7 million, representing a 2% year-over-year increase, or a 3% increase when adjusted for fixed exchange rates [1] - Operating profit for Q1 2025 was $110.3 million, with an operating margin of 28% [1] - Net profit attributable to Weibo shareholders was $107.0 million, with diluted earnings per share of $0.41 [1] - Non-GAAP operating profit was $129.5 million, with a non-GAAP operating margin of 33% [1] - Non-GAAP net profit attributable to Weibo shareholders was $119.5 million, with diluted non-GAAP earnings per share of $0.45 [1] User Engagement - As of March 2025, Weibo had 591 million monthly active users and 261 million daily active users [2] - The company reported a total of $2.08 billion in cash, cash equivalents, and short-term investments as of March 31, 2025, down from $2.35 billion as of December 31, 2024 [2] Strategic Initiatives - The CEO expressed satisfaction with the progress in artificial intelligence applications [2] - The company focused on user value and product integration, enhancing the recommendation system [2] - Weibo's AI search feature, "Weibo Zhisu," was made available to all users, showing significant growth in user scale and daily search volume [2] - The company continued to leverage its strengths in content marketing and improved the efficiency of its information flow bidding ads, maintaining stable advertising business [2] - Rigorous cost management led to improved operational efficiency, allowing for investments in product competitiveness, AI technology, and shareholder returns [2]

【微博第一季度净营收3.969亿美元，预估3.938亿美元】微博第一季度调整后每股收益0.45美元，预估 0.38美元。微博美股盘前涨超3%。 ...

Group 1: Financial Performance - In Q1 2025, Weibo reported total revenue of $396.9 million, approximately 2.883 billion RMB, with adjusted operating profit of $129.5 million, around 943 million RMB, exceeding Wall Street expectations [1] - As of the end of Q1, Weibo's monthly active users reached 591 million, with daily active users at 261 million [1] Group 2: User Engagement and Content Strategy - Weibo's strategy for 2025 focuses on user value, maintaining its leading position in hot topics and entertainment content, while enhancing its recommendation and search systems through large model capabilities [2] - During the Spring Festival, Weibo integrated hot topics and entertainment content, resulting in over 60 billion reads and more than 500 million discussions, with a discussion volume increase of over 50% compared to last year [3] - The AI-related discussions on Weibo have expanded from technical circles to the general public, significantly increasing user awareness and engagement with AI technologies [3][4] Group 3: Advertising and Commercialization - The automotive industry continues to show steady growth in Q1 2025, supported by Weibo's established position as a marketing platform for new energy vehicles [5] - The e-commerce sector experienced significant revenue growth in Q1, driven by improved operational performance and increased marketing investments on Weibo [6] - Weibo's information flow advertising has seen a notable increase in Q1, with plans to further enhance user experience and efficiency through AI technology [6]

Core Insights - Weibo's net revenue for Q1 2025 is $397 million, showing no year-over-year change, or a 1% increase when adjusted for fixed exchange rates [1] - Advertising and marketing revenue remains at $339 million, also flat year-over-year, with a 1% increase when adjusted for fixed exchange rates [1] - Value-added services revenue increased by 2% year-over-year to $57.7 million, or a 3% increase when adjusted for fixed exchange rates [1] Financial Performance - Operating profit stands at $110 million, with an operating margin of 28% [1] - Net profit attributable to Weibo shareholders is $107 million, translating to a diluted earnings per share of $0.41 [1] - Non-GAAP operating profit is $129 million, with a non-GAAP operating margin of 33% [1] - Non-GAAP net profit attributable to Weibo shareholders is $120 million, resulting in a non-GAAP diluted earnings per share of $0.45 [1] User Engagement - As of March 2025, Weibo has 591 million monthly active users and an average of 261 million daily active users [1]

Financial Performance - Total net revenues for Q1 2025 were $396.9 million, flat year-over-year, or an increase of 1% on a constant currency basis[5] - Advertising and marketing revenues were $339.1 million, flat year-over-year, with a 1% increase on a constant currency basis; excluding Alibaba, revenues decreased by 6% to $296.5 million[7] - Value-added services (VAS) revenues increased by 2% year-over-year to $57.7 million, driven by growth in membership services[8] - Income from operations was $110.3 million, representing an operating margin of 28%, up from 25% in the same period last year[9] - Net income attributable to Weibo's shareholders was $107.0 million, compared to $49.4 million for the same period last year, with diluted net income per share of $0.41[12] - Non-GAAP income from operations was $129.5 million, with a non-GAAP operating margin of 33%, compared to 32% last year[9] - Non-operating income for Q1 2025 was $22.1 million, compared to a non-operating loss of $23.6 million for the same period last year[10] - Adjusted EBITDA improved from $133,025 thousand in Q1 2024 to $139,720 thousand in Q1 2025, indicating an increase of 5.1%[28] - Total net revenues slightly increased from $395,497 thousand in Q1 2024 to $396,855 thousand in Q1 2025, showing a growth of 0.34%[32] - Non-GAAP net income attributable to Weibo's shareholders also increased from $106,612 thousand in Q1 2024 to $119,532 thousand in Q1 2025, reflecting a growth of 12.1%[28] User Metrics - Monthly active users (MAUs) reached 591 million in March 2025, while average daily active users (DAUs) were 261 million[5] - The company has made Weibo Intelligent Search available to all users, achieving decent sequential growth in both user base and daily search queries[2] Assets and Liabilities - Cash, cash equivalents, and short-term investments totaled $2.08 billion as of March 31, 2025, down from $2.35 billion at the end of 2024[13] - Total assets increased from $6,504,499 thousand as of December 31, 2024 to $6,658,879 thousand as of March 31, 2025, representing a growth of approximately 2.37%[26] - Current liabilities increased from $968,136 thousand as of December 31, 2024 to $1,191,480 thousand as of March 31, 2025, a rise of 23.1%[26] - Total liabilities rose from $2,925,613 thousand as of December 31, 2024 to $3,150,661 thousand as of March 31, 2025, reflecting an increase of 7.7%[26] Revenue Breakdown - Advertising and marketing revenue from non-Ali advertisers decreased from $316,400 thousand in Q1 2024 to $296,494 thousand in Q1 2025, a decline of 6.3%[32] - Revenue from Alibaba increased from $22,551 thousand in Q1 2024 to $42,612 thousand in Q1 2025, representing a growth of 89.1%[32] - Non-GAAP operating margin improved from 32% in Q1 2024 to 33% in Q1 2025, indicating enhanced operational efficiency[28]

Financial Performance - Weibo's net revenue for Q1 2025 was $396.9 million, flat year-over-year, or a 1% increase when adjusted for fixed exchange rates[4]. - Advertising and marketing revenue was $339.1 million, unchanged from the previous year, with a 6% decline in revenue excluding Alibaba's contributions[5]. - Value-added services revenue increased by 2% year-over-year to $57.7 million, driven by growth in membership services[5]. - Operating profit for Q1 2025 was $110.3 million, with an operating margin of 28%, up from 25% in the same quarter last year[6]. - Net profit attributable to Weibo shareholders was $107.0 million, compared to $49.4 million in the prior year, with diluted earnings per share of $0.41[7]. - Non-GAAP operating profit was $129.5 million, with a non-GAAP operating margin of 33%[6]. - Non-GAAP net profit attributable to Weibo shareholders was $119.5 million, with diluted earnings per share of $0.45[7]. - The company reported a 3% decrease in total costs and expenses to $286.5 million, primarily due to reduced sales and marketing expenses[5]. - The total net revenue for the three months ended March 31, 2024, was $395,497 thousand, slightly increasing to $396,855 thousand in 2025, indicating stable revenue growth[16]. - Operating profit for the three months ended March 31, 2024, was $99,737 thousand, which increased to $110,310 thousand in 2025, showing improved operational efficiency[16]. - The basic earnings per share attributable to Weibo shareholders rose from $0.21 in 2024 to $0.45 in 2025, demonstrating strong earnings growth[17]. - The diluted earnings per share attributable to Weibo shareholders increased from $0.19 in 2024 to $0.41 in 2025, indicating enhanced profitability per share[17]. - Advertising and marketing revenue for the three months ended March 31, 2024, was $338,951 thousand, slightly increasing to $339,106 thousand in 2025, reflecting stable demand in advertising[16]. - Value-added services revenue grew from $56,546 thousand in 2024 to $57,749 thousand in 2025, indicating a positive trend in service offerings[16]. - Total costs and expenses decreased from $295,760 thousand in 2024 to $286,545 thousand in 2025, highlighting cost management efforts[16]. - The company reported a total revenue of $396,855 thousand for the three months ended March 31, 2025, compared to $395,497 thousand for the same period in 2024, indicating a marginal increase of 0.34%[22]. User Engagement - Monthly active users reached 591 million in March 2025, while daily active users were 261 million[4]. - The company expects to continue enhancing its advertising and marketing solutions to improve user engagement and relevance[13]. Assets and Liabilities - Cash, cash equivalents, and short-term investments totaled $2.08 billion as of March 31, 2025, down from $2.35 billion at the end of 2024[7]. - As of March 31, 2025, total assets increased to $6,658,879 thousand from $6,504,499 thousand as of December 31, 2024, representing a growth of approximately 2.37%[18]. - Total liabilities increased from $2,925,613 thousand as of December 31, 2024, to $3,150,661 thousand as of March 31, 2025, marking an increase of approximately 7.68%[19]. - Long-term investments increased from $1,389,199 thousand as of December 31, 2024, to $1,408,323 thousand as of March 31, 2025, reflecting a growth of approximately 1.01%[18]. - The company's cash and cash equivalents decreased from $1,890,632 thousand as of December 31, 2024, to $1,205,765 thousand as of March 31, 2025, a decline of about 36.3%[18]. Management Insights - Weibo's management emphasizes the importance of non-GAAP financial metrics to provide a clearer picture of ongoing operational performance[11]. - The number of shares used to calculate diluted earnings per share attributable to Weibo shareholders increased from 263,644 thousand to 266,494 thousand from March 31, 2024, to March 31, 2025[21]. - Adjusted EBITDA for the three months ended March 31, 2025, was $139,720 thousand, compared to $133,025 thousand for the same period in 2024, showing an increase of about 5.7%[21]. - Non-GAAP operating profit for the three months ended March 31, 2025, was $129,479 thousand, compared to $125,808 thousand for the same period in 2024, reflecting a growth of approximately 1.33%[20]. - The company's net income attributable to Weibo shareholders for the three months ended March 31, 2025, was $106,964 thousand, up from $49,438 thousand for the same period in 2024, indicating a significant increase of 116%[20]. - Advertising revenue from non-Alibaba advertisers decreased slightly from $316,400 thousand in Q1 2024 to $296,494 thousand in Q1 2025, a decline of about 6.3%[22].

Market Overview - US stock index futures showed mixed performance with Dow futures slightly up, S&P 500 futures down by 0.16%, and Nasdaq futures down by 0.66% [1] - European indices saw positive movement with Germany's DAX up by 0.61%, UK's FTSE 100 up by 0.60%, France's CAC40 up by 0.56%, and the Euro Stoxx 50 up by 0.50% [2][3] - WTI crude oil prices fell by 0.42% to $61.88 per barrel, while Brent crude oil dropped by 0.46% to $65.24 per barrel [3][4] Federal Reserve Insights - Federal Reserve officials indicated that interest rate cuts may not occur before September due to uncertain economic outlook, with current expectations for a rate cut in June being less than 10% [5] - The market anticipates two rate cuts by the end of the year, each by 25 basis points, which is lower than previous expectations of four cuts [5] Banking Sector Developments - Moody's downgraded the deposit ratings of major US banks, including Bank of America and JPMorgan Chase, citing reduced government support following the downgrade of the US credit rating [6] - The long-term deposit ratings for these banks were lowered to Aa2, which is Moody's third-highest rating [6] Currency and Economic Outlook - Deutsche Bank warned of potential depreciation risks for the US dollar, suggesting that upcoming budget negotiations will significantly impact the dollar's position [7] - Wells Fargo advised investors to reduce exposure to emerging market stocks in favor of US equities, predicting a stronger dollar and cautioning against overly optimistic sentiment towards emerging markets [7] Company-Specific News - Vodafone reported a decline in revenue in its key German market, forecasting minimal growth for the upcoming fiscal year and announcing a new €2 billion share buyback plan [8] - Yalla Technology's Q1 revenue grew by 6.5% year-over-year to $83.9 million, but paid user numbers fell by 8% [9] - Vipshop's Q1 net revenue decreased by 4.7% to RMB 26.3 billion (approximately $3.6 billion), with active customer numbers down by 4.2% [10] - Home Depot's sales fell short of expectations, indicating weakened consumer confidence, with comparable sales down by 0.3% [10] - Cathie Wood's ARK Invest made significant purchases of Taiwan Semiconductor Manufacturing Company (TSMC) shares, marking a shift in strategy amid easing trade tensions [11] Upcoming Economic Events - Key economic data releases include the US Redbook retail sales year-on-year and API crude oil inventory changes [12][14] - Notable speeches from Federal Reserve officials are scheduled, which may provide further insights into monetary policy [13][14]

Group 1 - The "Beijing Style" short video competition will officially start on May 21, aiming to create a new brand with capital characteristics and international influence through short videos [1] - The competition will focus on four seasonal themes: "Ancient Capital New Charm," "Fashion Vitality," "Beijing Flavor," and "Science and Technology Power," inviting participants to explore and showcase different aspects of Beijing [1][2] - The competition will run from May 2025 to May 2026, with excellent works receiving rewards, certificates, and promotional support across various platforms, including television and outdoor screens [2] Group 2 - The event is organized by multiple government departments and major platforms like Douyin, Kuaishou, Weibo, and Baidu, leveraging their traffic advantages to enhance market potential and promote Beijing's image [2] - A collaborative structure involving government guidance, platform empowerment, and public participation will be established to create a comprehensive and multi-layered creative communication matrix [2] - The competition aims to showcase Beijing's multifaceted image as a "four-center" city while promoting the organic integration of culture, commerce, tourism, and sports to support high-quality development [2]