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]

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]

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]

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]

Market Capitalization Overview - The market capitalization of TAL Education Group is 14.95 billion, while Vipshop Holdings has a market cap of 9.21 billion [2] - Other companies such as Miniso and Qifu Technology have market caps of 7.77 billion and 6.33 billion respectively [2] - The market cap of various companies shows a range from 5.22 million to 149.53 billion, indicating a diverse market landscape [2] Stock Performance - TAL Education Group's stock increased by 1.64 (+1.55%), while Vipshop's stock rose by 0.07 (+1.88%) [2] - Miniso's stock saw a significant increase of 1.24 (+6.99%), indicating strong market performance [2] - Companies like Huya and Yiren Digital experienced slight declines in their stock prices, with decreases of -0.03 (-0.81%) and -0.10 (-0.96%) respectively [2] Comparative Analysis - The comparison of market caps shows that TAL Education Group leads with 14.95 billion, followed by Vipshop and Miniso [2] - The performance of stocks varies significantly, with some companies like Miniso showing robust growth compared to others that faced declines [2] - The data indicates a competitive environment among these companies, with varying degrees of market success and stock performance [2]

Group 1 - The film "Unique" has topped the Weibo movie heat list for four consecutive weeks, but its first-day pre-sale ticket sales have only surpassed 200,000, with a projected total box office of around 15 million [1][3] - Despite the lackluster performance, the film's ability to maintain high visibility on Weibo raises questions about the effectiveness of Weibo's marketing strategies compared to other platforms like Douyin [3][4] - Weibo's traditional strength in movie promotion, primarily through its celebrity ecosystem, is diminishing as stars are less impactful for films compared to other forms of media [4][5] Group 2 - The various promotional strategies on Weibo, such as fan interactions and trending topics, do not translate effectively into box office success, indicating that Weibo's heat metrics may not be reliable indicators of a film's performance [5][6] - The shift in internet traffic towards platforms with higher engagement, like Douyin, has contributed to Weibo's declining influence in film marketing [5][6] - Weibo still holds a unique position as an official communication channel for the film industry, providing authoritative announcements and updates that are quickly disseminated through social networks [6][10] Group 3 - Weibo's increasing involvement in film production, with a significant rise in the number of projects it co-invests in, reflects a strategy to gain more influence in the industry [8][10] - However, this dual role as a promotional platform and a co-producer may compromise its impartiality, potentially leading to conflicts of interest [10][11] - In contrast, Douyin has shifted away from film co-production, focusing instead on being a pure marketing platform, which may enhance its effectiveness in that domain [10][11] Group 4 - The "Big V Recommendation" system on Weibo has become a prominent film rating tool, but it lacks the critical differentiation seen in other rating systems, which may undermine its credibility [11][13] - This rating system allows for early scoring of films, providing a marketing advantage, but its high scores across the board reduce its ability to distinguish quality effectively [13][15] - Overall, Weibo's position as the leading platform for film marketing has weakened, and while it may not reclaim its former status, it can explore niche opportunities in film ratings and industry marketing [15]

Market Capitalization Overview - The market capitalizations of various companies are listed, with notable figures including 74.11 billion, 88.55 billion, and 76.47 billion [2] - Companies such as SON, VIPS, and TAL have market caps of 72.19 billion, 60.28 billion, and 55.72 billion respectively [2] Stock Performance - Stock price changes are highlighted, with SON showing a decrease of 0.95 (-1.99%) while VIPS increased by 0.15 (+0.85%) [2] - Other companies like TAL and Lufax also experienced minor fluctuations, with TAL decreasing by 0.04 (-0.49%) and Lufax increasing by 0.96 (+3.75%) [2] Additional Company Insights - Companies such as Huya and Yatsen have market caps of 8.06 billion and 3.27 billion respectively, with stock price changes of -0.03 (-0.77%) and 0.00 (0.00%) [2] - The performance of companies like New Oxygen and Huami Technology is also noted, with market caps of 83.07 million and 37.63 million, showing no change in stock price [3] Summary of Smaller Companies - Smaller companies like Tuniu and Cheetah Mobile have market caps of 1.08 billion and 1.17 billion respectively, with Tuniu experiencing a slight decrease of -0.01 (-1.20%) [3] - The market cap of Baosheng E-commerce is reported at 2.02 billion, with a stock price increase of 0.17 (+5.18%) [3]

Market Overview - US stock indices opened lower, with the Dow Jones down 0.7%, Nasdaq down 0.94%, and S&P 500 down 0.75% [2][3] - Major tech stocks mostly declined, with Tesla, Nvidia, and Google A dropping over 1% [3] Chinese Stocks Performance - Chinese stocks showed resilience, with the Nasdaq China Golden Dragon Index rising 0.7% [3] - Notable gainers included Tencent Music and Weibo, both up over 2%, while NIO fell over 2% [3] Economic Data - The US trade deficit for March reached a record $140.5 billion, exceeding the forecast of $137.2 billion and up from $122.7 billion previously [2] - Exports were $278.46 billion, a year-on-year increase of 0.2%, while imports were $418.96 billion, a year-on-year increase of 4.4% [2] Agricultural Exports Impact - The decline in US exports has affected agricultural products significantly, with major ports like Oregon and Tacoma seeing export drops of 51% and 28% respectively [4] - The overall impact has been widespread across US ports, indicating a severe disruption in agricultural exports [4] EU-US Trade Relations - EU Trade Commissioner Sefcovic indicated that US tariffs currently cover 70% of EU goods trade, potentially rising to 97% after further investigations [5] - The EU is preparing countermeasures against US tariffs and aims for a fair negotiation outcome [6] Gold and Oil Market Trends - Gold prices continued to rise, with London gold up nearly 2% and COMEX gold up over 2% [7] - Goldman Sachs projected gold prices could reach $3,700 per ounce by year-end, with potential increases to $4,500 in extreme scenarios [7] - Global gold demand reached 1,206 tons in Q1, the strongest first-quarter demand since 2016 [8] - Oil prices surged, with NYMEX WTI and ICE Brent both rising over 3% [8]