Xiaosong Zhang
Analyst · JPMorgan
Thank you, Tang Zong [ph]. Good morning and good evening, everyone. Thank you all for attending our conference call today. First quarter of 2015 was quite a successful quarter for us. We've posted better than expected top line and bottom line. With the continuous growth in our revenue, our highly scale efficient business model resulted in profitability in the past quarter, the first time in our operating history.
Let me first walk you through the major financial highlights for the first quarter of 2015. Total net revenues grew by 383% year-on-year or 42% sequentially to $26.3 million, higher than our earlier guidance of $26 million. At the same time, we are very happy to see that our sources of revenue continued to diversify in the first quarter of 2015. Since the cooperations with Ali and 58.com generated significant revenue during the quarter, from this earnings release onwards, we are reporting it as a separate sub-revenue category rather than lumping it in other revenue lines.
Marketing services revenue for the first quarter of 2015 represented 23% of our total net revenue while 50% for membership subscription revenue and 23% for revenue from mobile games, significant declines from 58% and 36%, respectively, during the same period of last year and 64.2% and 23%, respectively, when compared with the fourth quarter 2014.
Membership subscription revenue was $13 million, up 311% comparing to Q1 of 2014 and 9% quarter-on-quarter. The year-on-year growth of membership revenue was primarily driven by substantial increase in the number of paying members which reached 3.1 million at the end of March, up from 1.3 million a year ago. As Tang Zong [ph] mentioned, the sequential growth of membership subscription revenue was a bit slower mainly due to the seasonality especially the impact from the late arrival of Chinese New Year in 2015.
Mobile game revenues continued its strong momentum, growing 213% year-on-year and 41% sequentially to $6.1 million in the first quarter of 2015. The growth in game revenue was powered by a combination of factors, including increase in the number of games as well as the growth of our game players. Mobile marketing revenue was at $6 million during the quarter, more than quarter -- from fourth quarter last year. The same period last year, it was immaterial. The year-on-year growth of mobile marketing revenue was powered by the company's strategic partnerships with Alibaba and 58.com, and to a lesser degree, the increase in revenue from the company's brand ad services. The revenue from brand ad during this quarter was slightly down comparing to the same -- the last quarter due to seasonality.
Revenues from other services, which mainly consisted of paid emoticon, revenues from other -- from gifting services totaled $1.1 million, up 291% year-on-year, 46% sequentially. The increase in other services revenue was primarily driven by the growth in paid emoticons. Revenue from gifting services was insignificant to our total revenue during the quarter as the services was launched at the end of January of 2015.
As Tang Zong [ph] mentioned earlier, we are currently focusing on fine-tuning the commercial process, making adjustments to our system and gaining more experience in coordinating procurement and logistic processes. We expect the revenue will grow significantly down the road, however, once again, we do not include the financial impact from gifting service in our second quarter guidance because it is still at experimental phase and the company needs to accumulate adequate operating data before building a reasonable basis for financial projection.
Our cost and expenses on non-GAAP basis totaled $18.7 million, up 221% year-on-year and down 2% from last quarter. The year-over-year increase was primarily attributed to the scale expansion of our operations. For example, our headcount at the end of March 2015 was 547 comparing to 249 a year ago and 456 at the end of last year. Infrastructure-related spendings which mainly include bandwidth costs, SMS costs and server depreciations, directly relates to our user base growth. The higher payments to channel -- to channels resulted from higher revenues.
Higher year-on-year marketing expenditures reflected strengthened branding efforts and mobile game promotions. The sequential decrease in cost and expenses was mainly due to seasonality on marketing spending as we normally launch our branding campaign starting in the second quarter onwards. As our top line continues to expand over time, we have seen significant operating leverages as evidenced by sharp declines as a percentage of total revenue in almost all major cost and expense items, except for compliance-related expenses as a public company and currency exchange impact from strengthened U.S. dollar in recent periods.
Non-GAAP net income attributable to Momo was at $9.4 million in the first quarter of 2015 compared to a non-GAAP net loss of $0.3 million in the same period last year and a loss of $0.1 million last quarter. We are very delighted to see the milestone achievement in the first quarter of 2015, however, I'd like to mirror our CEO's earlier statements. Growing user base and exploring various business and monetization opportunities stay on top of our agenda. We believe that at this stage, it's much more important for us to invest in our future rather than aggressively pursue margin expansion. Please be mindful that as we continue to invest on product innovation, brand promotion as well as infrastructure building, depending on the timing of such spendings, our profitability will tend to fluctuate significantly from quarter-to-quarter.
Turning to balance sheet and cash flow items. As of March 31, 2015, our cash and term deposits totaled USD 452 million, mostly deposited in offshore bank accounts. We generated a positive operating cash flow of $8.7 million for the first quarter of 2015 compared to $1.4 million for the same period last year, $2.5 million last quarter.
Now quickly on our guidance. For the second quarter of 2015, we expect our total net revenue to fall in the range of USD 31 million to USD 33 million, which translate into a year-on-year growth rate from 267% to 291%, 18% to 25% sequentially.
With that, I would like to open the call to address your questions. Operator, go ahead, please.