Arcesium integrates additional MarketAxess data and analytics to enhance fixed income workflows. Newest integration designed to streamline fixed income workflows for hedge funds, institutional asset managers and capital markets firms Published on 10/07/2026 at 09:07 am EDT Business Wire Arcesium, a leading global financial technology provider to the investment industry, today announced an integration with MarketAxess Holdings Inc. (Nasdaq: MKTX), a leading electronic trading platform for fixed income securities, to provide investment firms with seamless data solutions across the fixed income trade lifecycle. With the integration of MarketAxess CP+(TM) and TraX(R) market data into Arcesium's Aquata(R) and Opterra(R) platforms, hedge funds, institutional asset managers and capital markets firms can now connect front-to-back workflows and improve data accuracy across investment and operational processes. The integration with Arcesium's platforms enables mutual clients to embed MarketAxess' pricing, liquidity and transaction data directly into their fixed income operational workflows. MarketAxess CP+ is an AI-powered algorithmic pricing engine for global credit and rates markets. MarketAxess TraX, provides daily trade volumes and transactional data for more than 42,000 global fixed income instruments. Together, these datasets provide the market context needed for more efficient liquidity analysis, price discovery, relative value assessment and risk analytics, without custom integration efforts. Alex Dobson, SVP and Head of Product at Arcesium, added, "Fixed income markets can be dynamic, one market movement can have a ripple effect across portfolios. Having more data is only valuable if firms can lean on market intelligence and operational context across one view in order to make better decisions. Our integration with MarketAxess provides fixed income teams rich market data and clean operational data in one place, allowing firms to act on pricing and liquidity signals within their core operating environment." Ena Gordon, Head of Data & Analytics Product, at MarketAxess, said: "As fixed income markets grow more complex, investors need trusted data and purpose-built tools to operate at scale. By integrating our proprietary data with Arcesium's platforms, clients can gain a reliable source of truth for fixed income trading and operations." Arcesium has also integrated with MarketAxess Repo Match since June 2024. Through the integration, Arcesium submits Opterra clients' repo trades directly to Repo Match for trade-date matching against counterparty confirmations, including lifecycle events such as re-rates and close-outs. This enhances efficiency in the repo market by supporting straight through processing, earlier exception resolution and automated books and records updates. Repo Match connects 127 buy-side and sell-side firms, with over US$700 billion in matched average daily volume. Opterra is a full cloud-native operating platform designed to connect front-, middle-, and back-office capabilities within a single architecture, bringing precision to all workflows across the entire investment lifecycle - from position management and reporting to accounting to treasury and reconciliation. It is tailored to fit the unique operating environments of hedge funds, asset managers, private market funds, and capital markets firms. Aquata is a self-service data platform purpose-built for the investment industry, featuring pre-configured connectivity with data providers, as well as industry-specific data models, lineage, quality, transformation, and reporting tools. Arcesium Intelligence, embedded in Opterra and Aquata, is designed to empower firms to deploy agentic AI across investment operations and data management workflows. About Arcesium Arcesium (C) is a global financial technology company delivering front-to-back technology solutions for some of the world's most sophisticated financial institutions, including hedge funds, asset managers, private markets, sell side, and digital assets firms. Expertly designed to achieve a synchronized golden source of data throughout a client's ecosystem, Arcesium's cloud-native technology is built to systematize the most complex workflows and help clients achieve scale. Today, Arcesium services over $6.7T in gross AUM and over $1.2T in sell-side capital balances and has modelled over 178 million investments to date. Arcesium was built from a platform developed and tested by investment and technology development firm, the D. E. Shaw group, and launched as a joint venture with Blackstone Multi-Asset Investing. J.P. Morgan, another large client, later made a strategic investment in the company, helping Arcesium further its mission: to power the entire investment lifecycle. Arcesium currently has a staff of over 2,600 software engineering, accounting, operations, and treasury professionals. About MarketAxess MarketAxess (Nasdaq: MKTX) operates a leading electronic trading platform that delivers greater trading efficiency, a diversified pool of liquidity and significant cost savings to institutional investors and broker-dealers across the global fixed-income markets. Approximately 2,100 firms leverage MarketAxess' patented technology to efficiently trade fixed-income securities. Our automated and algorithmic trading solutions, combined with our integrated and actionable data offerings, help our clients make faster, better-informed decisions on when and how to trade on our platform. MarketAxess' award-winning Open Trading(R) marketplace is widely regarded as the preferred all-to-all trading solution in the global credit markets. Founded in 2000, MarketAxess connects a robust network of market participants through an advanced full trading lifecycle solution that includes automated trading solutions, intelligent data and index products and a range of post-trade services. Learn more at www.marketaxess.com. Cautionary Note Regarding Forward-Looking Statements This press release may contain forward-looking statements, including statements about the outlook and prospects for MarketAxess Holdings Inc. (the "Company" or "MarketAxess"), market conditions and industry growth, as well as statements about the Company's future financial and operating performance. These and other statements that relate to future results and events are based on MarketAxess' current expectations. The Company's actual results in future periods may differ materially from those currently expected or desired because of a number of risks and uncertainties, including: global economic, political and market factors; the level of trading volume transacted on the MarketAxess platform; the rapidly evolving nature of the electronic financial services industry; the level and intensity of competition in the fixed-income electronic trading industry and the pricing pressures that may result; the variability of our growth rate; our ability to introduce new fee plans and our clients' response; our ability to attract clients or adapt our technology and marketing strategy to new markets; risks related to our growing international operations; our dependence on our broker-dealer clients; the loss of any of our significant institutional investor clients; our exposure to risks resulting from non-performance by counterparties to transactions executed between our clients in which we act as an intermediary in matched principal trades; risks related to self-clearing; our dependence on third-party suppliers for key products and services; our ability to enter into strategic alliances and to acquire other businesses and successfully integrate them with our business; our dependence on our management team and our ability to attract and retain talent; risks related to sanctions levied against states or individuals that could expose us to operational or regulatory risks; the effects of climate change or other sustainability risks that could affect our operations or reputation; the effect of rapid market or technological changes on us and the users of our technology; issues related to the development and use of artificial intelligence; our ability to successfully maintain the integrity of our trading platform and our response to system failures, capacity constraints and business interruptions; the occurrence of design defects, errors, failures or delays with our platforms, products or services; our vulnerability to malicious cyber-attacks and attempted cybersecurity breaches; our actual or perceived failure to comply with privacy and data protection laws; our ability to protect our intellectual property rights or technology and defend against intellectual property infringement or other claims; our use of open-source software; limitations on our flexibility because we operate in a highly regulated industry; the increasing government regulation of us and our clients; our exposure to costs and penalties related to our extensive regulation; our risks of litigation and securities laws liability; our tax filing positions; our future capital needs and our ability to obtain capital when needed; limitations on our operating flexibility contained in our credit agreement; our exposure to financial institutions by holding cash in excess of federally insured limits; and other factors. The Company undertakes no obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise. More information about these and other factors affecting MarketAxess' business and prospects is contained in MarketAxess' periodic filings with the Securities and Exchange Commission and can be accessed at www.marketaxess.com. View source version on businesswire.com: https://www.businesswire.com/news/home/20261007958696/en/ (C) Business Wire - 2026

Hypercore, an AI-powered loan administration platform for private credit, has announced a technology integration with Arcesium, a financial technology provider. The partnership creates an automated data flow connecting loan origination through to fund-level operations, eliminating manual processes between traditionally disconnected systems. The integration enables loan-level data from Hypercore to feed directly into Arcesium's investment operations platform, supporting net asset value calculations, fund accounting, investor reporting and regulatory compliance. Hypercore functions as the loan operations hub whilst Arcesium provides fund operations infrastructure. Founded to address fragmented workflows in private credit, Hypercore offers a SaaS loan management platform and AI-powered administration services. The integration reflects growing demand for purpose-built, interoperable systems as private credit portfolios increase in complexity and scale.

Feynman Point Asset Management selects Arcesium to deliver reconciliation across digital and traditional assets. Arcesium supports Feynman Point Asset Management with institutional-grade reconciliation of counterparties, internal records, and data management. NEW YORK-(BUSINESS WIRE)-Arcesium, a global financial technology company delivering front-to-back office solutions to institutional investment firms, today announces its partnership with Feynman Point Asset Management (FPAM) to enable unified multi-asset infrastructure across digital and traditional assets. With Arcesium's reconciliation solutions, FPAM is positioned to support enhanced settlement cycles allowing it to efficiently scale operations as the business grows. FPAM focuses on opportunities across digital asset markets and frontier technologies. As traditional and digital strategies increasingly intersect, the firm was actively pursuing the ability to unlock scale through infrastructure capable of reconciling complex, varied assets within a single ecosystem. Arcesium's Reconciliation platform was selected for its ability to quickly identify data discrepancies and operational risks across the firm's entire investment landscape through real-time transparency and automated exception management. The platform streamlines workflows and enhances risk management across both digital and traditional asset classes. "As our platform continues to scale, having the right operational infrastructure is critical," said Jon Knipper, Chief Operating Officer of Feynman Point Asset Management. "Arcesium's technology and institutional-grade infrastructure allow us to streamline complex workflows, enhance transparency, and focus more of our time on delivering investment performance for our clients." Phillip Silitschanu, SVP Digital Assets of Arcesium, commented: "With regulatory clarity on digital assets finally on the horizon, we expect to see a rapid increase in TradFi managers tapping into the alpha that digital assets provide. At the same time, we expect to see crypto-native managers seeking to secure a large portion of the TradFi market's AUM. For either side, driving success and scale depends on having a reliable, unified view of data and operations across both digital and traditional markets." About Feynman Point Asset Management Launched in 2022, Feynman Point Asset Management ("FPAM") is an institutional asset manager and registered investment advisor dedicated to identifying opportunities in digital asset markets and frontier technologies. FPAM provides institutional investors access to areas of potential growth through a platform anchored by an experienced team, institutional-grade infrastructure and rigorous governance and controls. About Arcesium Arcesium is a global financial technology company delivering front-to-back technology solutions for some of the world's most sophisticated financial institutions, including hedge funds, asset managers, private markets, and sell side firms. Expertly designed to achieve a synchronized golden source of data throughout a client's ecosystem, Arcesium's cloud-native technology is built to systematize the most complex workflows and help clients achieve scale. Today, Arcesium services over $6.4T in gross AUM and over $1.2T in sell-side capital balances and has modelled over 170+ million investments to date. Arcesium was built from a platform developed and tested by investment and technology development firm, the D. E. Shaw group, and launched as a joint venture with Blackstone Multi-Asset Investing. J.P. Morgan, another large client, later made a strategic investment in the company, helping Arcesium further its mission: to power the entire investment lifecycle. Arcesium currently has a staff of over 2,400 software engineering, accounting, operations, and treasury professionals.