PRIVILEGED AND CONFIDENTIAL — ATTORNEY WORK PRODUCT This memorandum is protected by the attorney-client privilege and the work product doctrine. It was prepared in anticipation of litigation and for the purpose of providing legal advice to the client. It should not be disclosed to any person outside the Calderwood & Harkness engagement team without the express prior approval of James Prentice or Elaine Forsythe.
MEMORANDUM
TO: James Prentice, Partner; Sandra Tung, Partner; Ryan Kowalski, Lead Associate; Megan Chu, Working Associate
FROM: Elaine Forsythe, Partner, Antitrust & Competition
DATE: April 18, 2025
RE: Second Request Preparation Strategy — Acquisition of Luminex Systems Holdings Inc. by Ardent Apex Holdings Inc. (Calderwood & Harkness Matter No. 1001-00004)
CLIENT: Ardent Capital Partners III LP
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I. EXECUTIVE SUMMARY
The purpose of this memorandum is to outline the comprehensive strategy for preparing and responding to the anticipated Second Request from the Federal Trade Commission ("FTC") in connection with the proposed $2,800,000,000 reverse triangular merger of Ardent Apex Merger Sub Inc. ("Merger Sub"), a wholly owned subsidiary of Ardent Apex Holdings Inc. ("Ardent Apex"), with and into Luminex Systems Holdings Inc. ("Luminex" or the "Target"), with Luminex surviving as a wholly owned subsidiary of Ardent Apex (the "Transaction"). The Transaction is being undertaken at the direction of our client, Ardent Capital Partners III LP ("Ardent Capital" or the "Sponsor"), which controls Ardent Apex.
On March 28, 2025, the parties submitted the required Premerger Notification and Report Forms under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), with the FTC and the Antitrust Division of the U.S. Department of Justice ("DOJ") (Transaction No. HSR-20250328-4192). The initial thirty-day waiting period is set to expire on April 27, 2025. On April 2, 2025, the DOJ cleared the matter to the FTC for review, confirming that the Bureau of Competition of the FTC will serve as the reviewing agency. Based on our assessment of the competitive landscape — and in particular the combined approximately 25% market share in procurement-automation SaaS resulting from the overlap between Luminex (approximately 18% market share) and Ardent Capital's existing portfolio company, Vectis Solutions LLC ("Vectis" or "Vectis Solutions") (approximately 7% market share) — we anticipate that the FTC will issue a Request for Additional Information and Documentary Material ("Second Request") on or around April 25, 2025, prior to the expiration of the initial waiting period.
This memorandum addresses the following critical workstreams in preparation for and in response to the anticipated Second Request:
(a) document preservation and litigation hold procedures across all relevant entities;
(b) identification and prioritization of document custodians at the Buyer, Vectis Solutions, and coordination with the Target's custodian identification process;
(c) a phased data collection and production plan, including structured data specifications and privilege review protocols;
(d) a detailed timeline, critical path analysis, and staffing plan for Second Request compliance;
(e) coordination with Ardent Capital, Vectis Solutions, seller's counsel (Caldwell, Raines & Sheppard LLP), the buyer's financial advisor (Whitfield Partners LLC), and international regulatory counsel in parallel foreign proceedings; and
(f) strategy for FTC engagement, including timing agreement negotiations, substantive advocacy on market definition and efficiencies, and positioning on potential remedies.
The Outside Date under the Agreement and Plan of Merger dated as of March 24, 2025 (the "Merger Agreement") is September 10, 2025, which may be extended by three months to December 10, 2025 if the sole unsatisfied closing condition at such time is the receipt of regulatory approval. Meeting the Q3 2025 closing target (July–August 2025) will require aggressive compliance timing and early, constructive engagement with FTC staff. This memorandum is intended to serve as the foundational strategic framework for the entire Second Request workstream and will be updated upon receipt of the actual Second Request specifications.
II. BACKGROUND
A. Transaction Overview
Ardent Capital Partners III LP is a Delaware limited partnership with its principal office at 399 Park Avenue, 42nd Floor, New York, NY 10022. Ardent Capital is a leading private equity sponsor with approximately $12.5 billion in committed capital in its Fund III (vintage 2023), focused on enterprise technology, healthcare IT, and industrial software investments. The fund's managing partners are Theodore "Ted" Hargrove and Victoria Langford, who co-founded Ardent Capital in 2011. The fund's Investment Committee comprises Mr. Hargrove, Ms. Langford, Marcus Ellison (Partner), Priya Chandrasekaran (Partner), and David Ng (Chief Financial Officer).
Luminex Systems Holdings Inc. is a Delaware corporation with its operational headquarters at 2100 Reston Gateway Drive, Suite 800, Reston, Virginia 20191, and its global headquarters in Glenrock Assurance, Switzerland. Luminex is a publicly traded enterprise SaaS company listed on the Nasdaq Global Select Market under the ticker symbol "LMNX." The company is led by Dr. Stefan Kessler (Chief Executive Officer) and Annelise Gruber (Chief Financial Officer), with Dr. Markus Vogt serving as Chief Technology Officer and Roland Merz as Chairman of the Board of Directors. Luminex employs approximately 4,200 people globally across its North American, European, and Asia-Pacific operations.
For its fiscal year ended December 31, 2024, Luminex reported total revenue of $487 million, consisting of approximately $441 million in annual recurring revenue ("ARR") and approximately $46 million in professional services revenue. Luminex's 2024 Adjusted EBITDA was $121.8 million, representing a margin of approximately 25.0%. The company's core product offering is "Luminex One," a cloud-based enterprise resource planning ("ERP"), procurement automation, and supply-chain analytics SaaS platform designed for mid-market and large enterprise customers. Luminex's revenue is distributed geographically as follows: North America (approximately 40%), Germany, Austria, and Switzerland (the "DACH" region, approximately 35%), the United Kingdom and Nordic countries (approximately 15%), and the Asia-Pacific region (approximately 10%).
The Transaction is structured as a reverse triangular merger under the General Corporation Law of the State of Delaware, pursuant to the Merger Agreement executed on March 24, 2025. Under the terms of the Merger Agreement, Merger Sub will merge with and into Luminex, with Luminex surviving as a wholly owned subsidiary of Ardent Apex. Each outstanding share of Luminex common stock will be converted into the right to receive $20.00 per share in cash, representing an aggregate transaction value of approximately $2,800,000,000 based on 140,000,000 fully diluted shares. The Transaction was preceded by an exclusivity agreement dated March 12, 2025, which was entered into following a competitive sell-side process managed by Pinehurst Rothwell & Co. on behalf of Luminex's Board of Directors.
B. Antitrust Concern — Competitive Overlap with Vectis Solutions LLC
The primary antitrust concern arising from the Transaction stems from the competitive overlap between Luminex and Vectis Solutions LLC, an existing portfolio company of Ardent Capital Fund II LP ("Ardent Fund II"). Vectis Solutions is a Delaware limited liability company headquartered at 4000 Shoreline Court, Suite 300, South San Francisco, California 94080 (EIN: 82-4910337). Vectis is a cloud-based procurement-automation SaaS provider serving mid-market and enterprise customers, with a particular focus on technology, manufacturing, and financial services verticals. Vectis is led by Michael Parekh, who serves as Chief Executive Officer. For its fiscal year ended December 31, 2024, Vectis reported total revenue of approximately $68 million.
Based on our analysis of publicly available data and third-party market research reports — including Penmark Consulting Group's 2024 Magic Quadrant for Procure-to-Pay Suites, Fenmore Consulting Group's Worldwide Procurement Applications Market Forecast, and Meridian Advisors's Q4 2024 Procurement SaaS Landscape — Luminex holds an estimated 18% market share in the U.S. procurement-automation SaaS segment, while Vectis holds an estimated 7% market share in the same segment. The combined post-acquisition market share of approximately 25% is significant under the FTC's Horizontal Merger Guidelines and is the principal basis for our expectation that a Second Request will issue. The degree of competitive overlap, the directness of competition between Luminex One and Vectis's procurement platform, and the overall concentration level in the procurement-automation SaaS market all contribute to the likelihood of enhanced scrutiny.
It should be noted that a separate Remedies / Divestiture Analysis Memorandum is currently being prepared to analyze in detail the potential remedies scenarios that the FTC may pursue, including the potential divestiture of Vectis Solutions or specific Vectis product lines, and the economic implications of such remedies for Ardent Capital's portfolio. That memorandum will be circulated separately and should be read in conjunction with this Second Request preparation strategy.
C. HSR Filing Details
The HSR Premerger Notification and Report Forms were filed on March 28, 2025, with both the FTC and the DOJ. The key filing parameters are as follows:
• Filing Date: March 28, 2025
• Transaction Number: HSR-20250328-4192
• Filing Fee: $2,390,000 (calculated per the 2025 HSR fee schedule applicable to transactions valued at $2,800,000,000)
• Filing Parties: The filing was made by Ardent Apex Holdings Inc. as the "acquiring person" (ultimate parent entity for HSR purposes) and by Luminex Systems Holdings Inc. as the "acquired person"
• Waiting Period: The initial thirty-day waiting period under Section 7A(b)(1)(B) of the Clayton Act commences on the date of filing and expires on April 27, 2025 (as adjusted for the calendar)
On April 2, 2025, the DOJ cleared the matter to the FTC, indicating that the FTC will exercise principal review authority over the Transaction. Since that date, we have anticipated early substantive engagement with FTC Bureau of Competition staff. To date, we have not received any informal requests for information or "voluntary access" letters, but based on our experience with comparable transactions and signals from FTC staff (including the allocation of the matter to the Mergers I Division), we expect the FTC to issue a Second Request before the expiration of the initial waiting period.
D. Parallel Regulatory Proceedings
The Transaction is subject to review by multiple regulatory authorities in addition to the FTC, reflecting both Luminex's global operations and the national security implications associated with the acquisition of a technology company with a Swiss-headquartered parent entity. The following parallel proceedings are currently pending:
CFIUS Review. On April 4, 2025, a voluntary joint notice was filed with the Committee on Foreign Investment in the United States ("CFIUS") under Section 721 of the Defense Production Act of 1950, as amended (Tracking No. CFIUS-2025-0087). The forty-five-day initial review period under the applicable regulations is expected to expire on or about May 19, 2025. While the CFIUS filing was made on a precautionary basis — Luminex's U.S. operations do not involve classified government contracts or critical infrastructure in the narrowest sense — the company's supply-chain analytics capabilities and customer base in the defense-industrial sector warranted the voluntary filing. Calderwood & Harkness's National Security and CFIUS practice (led by Daniel Ostrower) is managing this workstream.
Swiss FINMA/SECO Notification. A notification was filed with the Swiss State Secretariat for Economic Affairs ("SECO") on April 7, 2025 (File No. 32-0973), in accordance with Switzerland's merger control provisions under the Federal Act on Cartels and Other Restraints of Competition. Given Luminex's Swiss headquarters and the combined turnover of the parties in Switzerland, a Phase I review is underway. Swiss regulatory counsel Breitfeld Hess & Partner AG (Dr. Lukas Breitfeld) is managing this filing.
Bundeskartellamt Filing (Germany). A merger notification was filed with the German Federal Cartel Office (Bundeskartellamt) on April 9, 2025 (File No. B6-34/25). The Phase I review period is one month from the date on which the complete notification is received by the authority. The filing is predicated on the combined German-market revenues of Veltronix GmbH (approximately €67 million in 2024) and Vectis GmbH (approximately €12 million in 2024), both of which exceed the applicable thresholds under Section 35 of the German Act against Restraints of Competition (GWB). This filing is being managed by German regulatory counsel Wendt Schäfer Rechtsanwälte (Dr. Katarina Wendt). The competitive overlap between Luminex and Vectis in the German procurement-automation SaaS market mirrors the U.S. overlap and may attract particular scrutiny from the Bundeskartellamt.
EU Foreign Subsidies Regulation Notification. A notification under the EU Foreign Subsidies Regulation (Regulation (EU) 2022/2560) was filed with the European Commission on April 11, 2025 (Case No. FSR.M.2025-0412). The preliminary twenty-five-business-day review period commenced upon filing. This notification is required due to the aggregate financial contributions received by Ardent Capital and its portfolio companies from non-EU governments, as well as the transaction value exceeding the applicable thresholds.
Coordination across all of these regulatory workstreams is essential. In particular, information-sharing arrangements between the FTC and the Bundeskartellamt under the 2014 U.S.-Germany Antitrust Cooperation Agreement, and potentially among other antitrust authorities under their respective bilateral and multilateral cooperation frameworks, should be anticipated. We must ensure consistency in our market definition arguments, competitive analyses, and factual representations across all jurisdictions. The question of whether to grant confidentiality waivers permitting inter-agency cooperation should be discussed with the client before any such waivers are provided to any authority.
III. ANTICIPATED SCOPE OF THE SECOND REQUEST
A. Likely Specification Categories
Based on our experience with recent FTC Second Requests in technology and SaaS transactions, and informed by the specific competitive overlap at issue in this Transaction, we anticipate that the Second Request will contain specifications covering the following broad categories of documents and information:
Transaction-Related Documents. The Second Request will almost certainly request all documents relating to the Transaction, including but not limited to: board presentations and minutes; investment committee materials, memoranda, and meeting notes; deal rationale documents and investment theses; synergy analyses (both revenue and cost synergies); integration plans and playbooks; due diligence reports and summaries; financial models and valuations; and all communications among Ardent Capital personnel, advisors, and Luminex representatives concerning the strategic rationale for, and expected competitive effects of, the Transaction. This category typically extends to all documents considered, reviewed, or discussed in connection with the decision to pursue and approve the Transaction, at any level of the acquiring entity's organizational structure.
Competition Documents. A second major specification will cover all documents relating to competition in the procurement-automation SaaS market, the supply-chain analytics market, and adjacent enterprise SaaS markets. This will encompass market analyses, competitive intelligence reports, market share estimates, competitive landscape assessments, benchmarking studies, and any other documents that discuss or analyze the competitive dynamics of the relevant markets. This specification is likely to be broadly worded and will capture ordinary-course business documents as well as deal-specific analyses.
Luminex One Platform Documents. The FTC will likely seek all documents relating to the capabilities, market positioning, pricing, and competitive performance of the Luminex One platform. This will include product roadmaps, feature comparison matrices, pricing strategies and methodologies, win/loss analyses, customer retention and churn data, competitive intelligence regarding the Luminex One platform specifically, and any internal assessments of the platform's strengths and weaknesses relative to competing products — including Vectis Solutions' products.
Relationship Between Ardent Capital Portfolio Companies and Luminex. Given that the competitive overlap between Luminex and Vectis is the core antitrust concern, the FTC will likely include a specification requesting all documents relating to the relationship between Ardent Capital's portfolio companies (and Vectis Solutions in particular) and Luminex. This will capture any prior commercial dealings (e.g., customer referrals, reseller or partnership arrangements, API integrations), partnership or joint venture discussions, and competitive assessments by Vectis of Luminex (and vice versa). Any documents in which Ardent Capital personnel discussed or evaluated the competitive dynamics between Vectis and Luminex in connection with the deal thesis will be particularly important.
Ordinary-Course Business Documents from Key Custodians. The Second Request will include specifications directed at the ordinary-course business files of identified custodians, typically covering competitive strategy documents, market analyses, product development roadmaps, customer targeting and segmentation materials, and any other documents that reflect or relate to competitive decision-making in the relevant product markets. These specifications are typically the most voluminous and resource-intensive to comply with.
Data Specifications. In addition to narrative and documentary specifications, the Second Request will likely include detailed data specifications requiring the production of structured data sets. These are expected to include: (i) detailed sales and revenue data by customer, product, and geography for the relevant time period; (ii) customer data, including contract terms, renewal rates, and churn metrics; (iii) pricing data, including list prices, negotiated discounts, and pricing models; and (iv) market share data and internal estimates of market size for the procurement-automation and ERP SaaS segments.
B. Relevant Product Market Definition
The definition of the relevant product market will be central to the FTC's competitive analysis and will significantly affect the significance of the parties' combined market share. We anticipate that the FTC staff will consider the following market definition issues:
Primary Product Market. The narrowest plausible product market — and the one that presents the greatest competitive concern — is "procurement-automation SaaS," defined as cloud-based software-as-a-service platforms that provide procurement workflow automation, purchase order management, supplier management, and related procurement functions. Under this market definition, the combined Luminex-Vectis share of approximately 25% is significant and may trigger presumptions of anticompetitive effect under the FTC's Horizontal Merger Guidelines, particularly if the market is concentrated (as measured by the Herfindahl-Hirschman Index ("HHI")).
Broader Product Market. A broader product market definition would encompass enterprise SaaS platforms that incorporate procurement, ERP, and supply-chain analytics functionality. Under this broader definition, major participants such as Ostrander Industries, Brightwater Technologies, Westmark Partners LLC, and Meridian Corporation would hold substantially larger market shares, and the combined Luminex-Vectis share would be materially diluted. Our substantive advocacy strategy (discussed in Section VIII below) will emphasize the appropriateness of this broader market definition.
Geographic Market. The relevant geographic market for the domestic antitrust analysis is likely to be the United States as a whole. However, given Luminex's significant international operations (60% of revenue derived from outside North America) and the parallel foreign regulatory proceedings, global competitive dynamics and geographic segmentation may also be considered by the FTC, particularly to the extent that global competitive conditions inform the domestic analysis.
C. Key Substantive Issues
The following substantive issues are expected to be at the center of the FTC's competitive analysis:
Horizontal Overlap. The primary concern is the horizontal overlap between Luminex (approximately 18% market share) and Vectis (approximately 7% market share) in the procurement-automation SaaS market. The combined share of approximately 25%, while below the levels historically associated with presumptive illegality, is significant enough — particularly in a concentrated market — to warrant close examination under the 2023 Merger Guidelines.
Unilateral Effects. The FTC may pursue a unilateral effects theory based on the elimination of head-to-head competition between Luminex and Vectis. If the FTC can demonstrate through win/loss data, customer switching patterns, or diversion ratio analysis that a material proportion of customers view Luminex and Vectis as close substitutes, the elimination of that competitive rivalry could be deemed likely to result in price increases or diminished innovation. Win/loss data at both Luminex and Vectis will be critically important to this analysis.
Coordinated Effects. Depending on the overall market structure and the number and characteristics of remaining competitors, the FTC may also consider whether the Transaction increases the risk of coordinated behavior (tacit or express) among the remaining market participants. This theory is more likely to be pursued if the post-merger market is highly concentrated and characterized by high barriers to entry and transparency of pricing.
Barriers to Entry. The FTC will examine barriers to entry and expansion in the procurement-automation SaaS market. Relevant factors include customer switching costs (which can be substantial for enterprise SaaS platforms due to data migration, integration complexity, and organizational change management), the time and investment required to develop a competitive SaaS platform, and the importance of customer references and track record in enterprise procurement. The FTC may argue that high switching costs and integration complexity create barriers that make timely and sufficient entry or expansion unlikely to counteract anticompetitive effects.
Efficiencies Defense. The parties may assert an efficiencies defense based on the potential complementarity of the Luminex One platform with Vectis's product suite. To the extent that the combined entity can offer an integrated, end-to-end procurement and supply-chain platform that neither company could offer independently, there may be cognizable merger-specific efficiencies that benefit customers. However, the evidentiary burden for an efficiencies defense remains high, and the FTC has historically been skeptical of efficiency claims in its merger challenges.
Competitive Significance of Smaller Rivals and Potential Entrants. The FTC will evaluate the competitive significance of other market participants, including both established players (e.g., Ostrander Industries, Ridgeline Industries, Westmark Partners LLC, Meridian Corporation, Halcyon Holdings) and emerging entrants. If smaller rivals and potential entrants are shown to be capable of effectively competing with the combined entity and constraining its pricing and innovation decisions, this evidence would weigh against a finding of anticompetitive effects.
IV. DOCUMENT PRESERVATION AND LITIGATION HOLD
A. Scope of Hold
The issuance of a Second Request constitutes a formal legal obligation to preserve and produce responsive documents. However, the duty to preserve documents relevant to reasonably anticipated government investigation or litigation arises earlier — in this case, at the time the parties reasonably anticipated that the Transaction would attract antitrust scrutiny and that a Second Request or investigative demand was likely. Based on our assessment, the preservation obligation attached no later than the execution of the Merger Agreement on March 24, 2025, and arguably as early as the commencement of substantive due diligence (February 2025), when the competitive overlap between Luminex and Vectis was first identified as a material antitrust risk.
Litigation hold notices are to be issued immediately — or confirmed if previously issued — to all relevant custodians at the following entities:
• Ardent Capital Partners III LP
• Ardent Capital GP III LLC (the general partner of Fund III)
• Ardent Apex Holdings Inc. (the acquiring entity)
• Vectis Solutions LLC (the overlapping portfolio company)
The scope of the litigation hold encompasses all documents and electronically stored information ("ESI") relating to:
(i) the Luminex acquisition, including all communications, analyses, and decision-making materials relating to the identification, evaluation, negotiation, approval, and planned integration of the Luminex business;
(ii) competition in procurement-automation SaaS and related markets, including market analyses, competitive intelligence, win/loss data, market share estimates, pricing analyses, and any other documents reflecting the competitive dynamics of these markets;
(iii) Ardent Capital's investment thesis for the Transaction, including all materials reflecting the strategic rationale, expected synergies, value creation plan, and portfolio-level considerations;
(iv) any communications regarding Vectis Solutions' competitive position relative to Luminex, including internal assessments, board-level discussions, and any analyses of the competitive overlap; and
(v) any prior contact, discussions, or business dealings between Vectis Solutions and Luminex, including any partnership, reseller, integration, or competitive engagement.
The hold period is retroactive to the earliest date of deal consideration, which we estimate to be Q4 2024, when Pinehurst Rothwell & Co. commenced the sell-side process on behalf of Luminex and Ardent Capital first received the confidential information memorandum ("CIM") and began evaluating the opportunity. All routine document destruction policies, automatic email deletion schedules, and data retention rules at both Ardent Capital and Vectis Solutions must be suspended immediately for all in-scope categories and custodians.
B. Hold Notice Distribution
Litigation hold notices are to be distributed to the following individuals and groups:
Ardent Capital Partners III LP: Theodore "Ted" Hargrove (Co-Founder & Managing Partner), Victoria Langford (Co-Founder & Managing Partner), Marcus Ellison (Partner), Priya Chandrasekaran (Partner), David Ng (CFO), and any other deal team members who participated in evaluating, diligencing, or approving the Luminex acquisition. This includes analysts, associates, and operating partners who contributed to deal evaluation or attended Investment Committee meetings where the Luminex opportunity was discussed.
Ardent Capital GP III LLC: The same individuals identified above in their capacity as members, officers, or employees of the general partner entity. The hold notice should make clear that the preservation obligation applies to their documents in all capacities.
Vectis Solutions LLC: Michael Parekh (CEO) and designated senior executives with responsibility for competitive strategy, sales, product management, marketing, and business development functions. The specific names of Vectis custodians beyond Mr. Parekh are to be confirmed with Mr. Parekh promptly (action item: Elaine Forsythe to contact Mr. Parekh by April 22, 2025). At a minimum, the hold should extend to the Chief Revenue Officer (or VP of Sales), Chief Product Officer (or VP of Product), Chief Marketing Officer (or VP of Marketing), VP of Business Development, and Head of Corporate Strategy, as well as any Vectis board members appointed by Ardent Capital.
Whitfield Partners LLC (Buyer's Financial Advisor): Christopher Brennan (lead banker) and members of the Whitfield deal team who worked on the Luminex transaction. The hold as applied to Whitfield is appropriately limited to documents that were shared with or prepared for Ardent Capital in connection with the Transaction, including market analyses, competitive landscape assessments, comparable transactions data, and deal presentations. We note that Whitfield may receive a separate subpoena or voluntary request from FTC staff; the hold we issue is for purposes of preserving materials in our client's constructive possession.
Seller-Side Preservation. Responsibility for issuing and managing litigation hold notices to Luminex custodians rests with seller's counsel, Caldwell, Raines & Sheppard LLP ("CRS"). Patricia Okonkwo and Daniel Feinberg at CRS are the primary contacts for this workstream. Calderwood & Harkness will coordinate with CRS to ensure alignment on the scope and timing of preservation, but we are not directly responsible for seller-side preservation compliance.
C. Preservation of Electronic Systems
In addition to the issuance of hold notices to individual custodians, preservation must extend to the electronic systems and data repositories that house potentially responsive documents and ESI. The following systems at Ardent Capital and Vectis Solutions require identification, mapping, and preservation:
• Email systems: Strathmore Data Systems / Outlook, Northgate Software, or any other email platforms used by identified custodians, including personal email accounts to the extent used for business purposes
• Shared drives and file repositories: Network shared drives, Aldermere Systems sites, Cobalt Ridge Systems, Hollowell Health IT, box, Larkspur Technologies, or any other cloud-based file storage services
• Collaboration and messaging tools: Meridian Solutions channels and direct messages, Northgate Data Systems messages, Slack workspaces, and any other collaboration platforms (including any channel-based or ephemeral messaging applications)
• CRM systems: Pinnacle Health IT, HubSpot, or any other customer relationship management platforms, particularly at Vectis Solutions where win/loss data and competitive intelligence may reside
• Document management systems: Any formal document management or deal-room platforms used by Ardent Capital (e.g., Adriatic Systems, Affinity, Thackeray Solutions, or similar systems) for managing investment pipeline, due diligence, and Investment Committee materials
• Investment committee materials and portfolio monitoring systems: Ardent Capital's internal systems for tracking deal flow, Investment Committee presentations, portfolio company performance metrics, and board materials for portfolio companies (including Vectis Solutions board materials)
• Financial modeling and analytics platforms: Any tools used for financial modeling (e.g., Excel models on local or shared drives), market sizing, and competitive analysis
The engagement of a qualified e-discovery vendor is required to assist with the identification, preservation, collection, processing, and production of ESI. The vendor selection process should be initiated immediately, with engagement letters and non-disclosure agreements to be executed no later than April 23, 2025 (action item: Megan Chu). A preliminary budget estimate for e-discovery vendor costs is set forth in Section X below and will be refined once the actual Second Request specifications are received and the scope of custodial collections is determined.
V. CUSTODIAN IDENTIFICATION AND PRIORITIZATION
The identification and prioritization of document custodians is a critical early step in Second Request preparation. Custodians should be identified based on their likely possession of responsive documents, their role in the Transaction, and their involvement in competitive decision-making in the relevant markets. We have organized the custodian list into tiers reflecting relative priority and document responsiveness, and into categories reflecting organizational affiliation.
A. Buyer-Side Custodians — Ardent Capital Partners III LP
Tier 1 (Highest Priority)
The following individuals at Ardent Capital are designated as Tier 1 custodians based on their direct involvement in the Transaction decision-making process, their Investment Committee roles, and their expected possession of documents relating to the competitive rationale for the acquisition:
1. Theodore "Ted" Hargrove — Co-Founder & Managing Partner; member of the Investment Committee; likely the primary decision-maker on the deal thesis and the competitive rationale for acquiring Luminex. Mr. Hargrove's files are expected to contain Investment Committee memoranda, strategic analyses, and high-level communications with advisors and co-investors regarding the Transaction. He is also likely to have communications discussing the Vectis competitive overlap and the antitrust strategy.
2. Victoria Langford — Co-Founder & Managing Partner; member of the Investment Committee; co-decision-maker with Mr. Hargrove on the deal approval. Ms. Langford's files are expected to contain similar categories of documents, and she may have been the primary contact with Luminex's Board of Directors during the negotiation phase.
3. Marcus Ellison — Partner; member of the Investment Committee; likely involved in deal evaluation, sector analysis, and competitive landscape assessment. Mr. Ellison may lead Ardent Capital's enterprise technology sector coverage and may have the deepest subject-matter expertise on the procurement-automation SaaS market.
4. Priya Chandrasekaran — Partner; member of the Investment Committee; likely involved in deal evaluation and may have specific responsibility for due diligence workstreams or portfolio synergy analysis.
5. David Ng — Chief Financial Officer; member of the Investment Committee; responsible for financial modeling, sources and uses analysis, fund economics, and fee and expense calculations. Mr. Ng's files are expected to contain financial models, return analyses, and fee and expense projections that may include market share data or competitive benchmarking inputs.
Tier 2.
6. Ardent Capital deal team associates and analysts who performed due diligence on Luminex, prepared Investment Committee presentations, or assisted in market analysis and financial modeling. The specific names are to be confirmed with Ted Hargrove (action item). Based on our preliminary understanding, this is likely to include two to four individuals at the Vice President and Associate levels.
7. Ardent Capital operating partners or sector specialists covering enterprise technology and SaaS investments. These individuals may have prepared industry analyses, conducted customer reference checks, or evaluated the competitive dynamics of the procurement-automation market as part of the diligence process.
8. Any Ardent Capital personnel serving on the board of directors (or comparable governing body) of Vectis Solutions LLC. These individuals will have had access to Vectis board materials, strategic plans, and competitive assessments, and their dual role creates a direct nexus between the acquirer and the overlapping portfolio company.
B. Buyer-Side Custodians — Vectis Solutions LLC
Tier 1.
1. Michael Parekh — Chief Executive Officer; the primary custodian at Vectis Solutions for documents relating to overall competitive strategy, market positioning, and any communications regarding Luminex as a competitor or potential acquisition target. Mr. Parekh's files are expected to contain board presentations, strategic plans, competitive intelligence, and communications with Ardent Capital regarding the Luminex transaction.
2. Vectis Chief Revenue Officer / VP of Sales (name to be confirmed with Mr. Parekh) — This individual is expected to be the primary custodian for win/loss data, competitive intelligence from the field, customer overlap analyses, and day-to-day competitive interactions with Luminex in sales situations. This is a critically important custodian for the FTC's unilateral effects analysis.
3. Vectis Chief Product Officer / VP of Product (name to be confirmed with Mr. Parekh) — This individual is expected to be the primary custodian for product roadmap documents, competitive feature comparisons, and any analyses of how Vectis's product competes with or is differentiated from Luminex One.
4. Vectis Chief Marketing Officer / VP of Marketing (name to be confirmed with Mr. Parekh) — This individual is expected to be the primary custodian for market share analyses, competitive positioning documents, marketing strategy materials, and any analyst or press briefing documents that characterize Vectis's competitive position relative to Luminex and other market participants.
Tier 2.
5. Vectis VP of Business Development (name to be confirmed) — This individual may possess documents relating to partnership discussions, channel arrangements, or M&A exploration involving Luminex or other competitors in the procurement-automation SaaS space.
6. Vectis Head of Corporate Strategy (name to be confirmed) — This individual may possess market research, strategic planning documents, total addressable market ("TAM") analyses, and other materials that reflect Vectis's internal assessment of the competitive landscape.
7. Any Vectis board members appointed by Ardent Capital — These individuals will have access to board-level materials, including strategic plans, competitive analyses, and any discussions of the Luminex acquisition's implications for Vectis.
C. Seller / Target-Side Custodians
Identification and management of custodians at Luminex Systems Holdings Inc. is the primary responsibility of seller's counsel, Caldwell, Raines & Sheppard LLP, led by Patricia Okonkwo and Daniel Feinberg. However, for purposes of coordination and to ensure alignment on the overall compliance strategy, we anticipate that the following Luminex executives will be designated as key custodians:
• Dr. Stefan Kessler (CEO) — overall strategy, competitive positioning, deal rationale from the seller's perspective
• Annelise Gruber (CFO) — financial analyses, market sizing, deal financial materials
• Dr. Markus Vogt (CTO) — product development, technology roadmap, competitive technology assessments
• Roland Merz (Chairman) — board-level materials, deal approval, strategic direction
• Luminex VP of Sales — win/loss data, customer-facing competitive materials, pricing
• Luminex VP of Product — product roadmap, feature development, competitive benchmarking
• Luminex VP of Marketing — market share analyses, competitive positioning, analyst briefings
• Luminex General Counsel — deal negotiations, regulatory strategy, internal legal assessments
Calderwood & Harkness will coordinate with CRS to ensure that custodian lists are aligned and that there is no duplication or gap in coverage. We will also coordinate on search terms, date ranges, and production protocols to ensure a consistent and efficient response.
D. Third-Party Custodians
Whitfield Partners LLC. Christopher Brennan, the lead banker at Whitfield Partners, and members of the Whitfield deal team, are third-party custodians whose documents may be responsive to the Second Request. Whitfield's market analyses, comparable transactions data, competitive landscape assessments, and deal presentations prepared for Ardent Capital are likely to be within the scope of the Second Request specifications. Preemptive identification and collection of Whitfield-produced materials that are in Ardent Capital's possession should be conducted during Phase 1 of the collection process (see Section VI below). To the extent that documents reside solely with Whitfield and are not in Ardent Capital's custody, the FTC may issue a separate subpoena or voluntary request to Whitfield directly. We should advise Whitfield of this possibility and discuss coordination.
Other Third Parties. We should also consider whether any other third-party advisors — such as management consultants, technical diligence advisors, or industry experts retained by Ardent Capital in connection with the Transaction — may possess responsive documents. These advisors should be identified and their documents preserved to the extent they are in Ardent Capital's constructive possession.
VI. DATA COLLECTION AND PRODUCTION PLAN
A. Document Collection
We recommend a phased approach to document collection that prioritizes the most critical and readily identifiable categories of responsive documents, followed by broader custodial collections and structured data compilation. This phased approach allows us to begin production quickly and demonstrate good-faith compliance to FTC staff while managing the logistical complexity of a large-scale collection effort.
Phase 1: Immediate (Upon Receipt of Second Request)
Phase 1 collection should commence immediately upon receipt of the Second Request — and, where practicable, should be initiated in advance of receipt based on this memorandum's analysis of the anticipated specifications. Phase 1 targets the following categories:
• Transaction-related documents: All Investment Committee presentations, memoranda, and meeting minutes relating to the Luminex opportunity; board materials of Ardent Apex Holdings Inc. and Ardent Capital GP III LLC relating to the Transaction; term sheets, letters of intent, and the exclusivity agreement dated March 12, 2025; the Merger Agreement dated March 24, 2025 and all ancillary and related agreements (including the equity commitment letter, the debt commitment letter, the limited guarantee, and any side letters); financial models, return analyses, and sources-and-uses analyses; synergy analyses (revenue and cost synergy models); integration planning materials and playbooks; and all communications between Ardent Capital and its advisors regarding the strategic rationale for and expected competitive effects of the Transaction.
• Confidential Information Memorandum and due diligence materials: The CIM prepared by Pinehurst Rothwell & Co. on behalf of Luminex; all due diligence reports, summaries, and analyses prepared or reviewed by Ardent Capital's deal team; quality of earnings analyses; technology diligence reports; and customer reference check summaries.
• Ardent Capital / Vectis intersection documents: All documents exchanged between Ardent Capital personnel and Vectis Solutions personnel relating to the Luminex transaction or the competitive dynamics between Vectis and Luminex. This includes any analysis of the competitive overlap that was prepared in connection with the HSR filing, antitrust risk assessment, or investment thesis development.
Many of these documents are likely already in Calderwood & Harkness's possession or are readily locatable on Ardent Capital's deal-room platform or internal file systems. Pre-collection of these materials should begin no later than April 24, 2025, in advance of the anticipated Second Request issuance date.
Phase 2: Custodial Collections (Weeks 1–3)
Phase 2 involves the systematic collection of email, file-share, and messaging data from identified custodians at Ardent Capital and Vectis Solutions. Key parameters for Phase 2 include:
• Custodian scope: All Tier 1 custodians at Ardent Capital (five individuals) and Vectis Solutions (four individuals, once names are confirmed), with Tier 2 custodians to follow as warranted.
• Date range: The applicable date range for custodial collections will need to be negotiated with FTC staff, but based on recent practice, we anticipate a lookback period of three to five years — i.e., approximately 2020–2025 or 2022–2025. We will advocate for the shorter range (2022–2025) in negotiations, particularly for custodians whose roles are primarily operational rather than strategic.
• Search-term protocol: An initial set of search terms will be developed and proposed to FTC staff for negotiation. The proposed terms should be designed to capture responsive documents efficiently while minimizing over-collection of non-responsive material. Initial proposed terms should cover: "Luminex," "Luminex One," "procurement automation," "procurement SaaS," "procure-to-pay," "supply chain SaaS," "supply chain analytics," "ERP," names of specific competitors (e.g., "Ostrander Industries," "Westmark Partners LLC," "Meridian Corporation," "Halcyon Holdings," "Ridgeline Industries Procurement"), "market share," "win/loss," "competitive intelligence," and related terminology. The search-term list will be refined iteratively based on feedback from FTC staff and initial search-hit review.
• De-duplication: Standard de-duplication procedures will be applied at the custodian and global levels to reduce the volume of duplicate documents in the review set.
• Quality control: A quality control protocol will be established to ensure the accuracy and completeness of collections, including verification of collection completeness, spot-checking of excluded data, and confirmation that preservation obligations have been met.
Phase 3: Data Specifications (Weeks 2–5)
Phase 3 focuses on the compilation and production of structured data responsive to the data specifications that are expected to be included in the Second Request. Based on our experience with similar requests, the following categories of structured data are likely to be requested:
• Customer data: Complete customer lists, including customer names, contract start and end dates, contract values, annual recurring revenue, product modules licensed, and geographic location. This data will need to be compiled from both Luminex (coordinated with CRS) and Vectis Solutions.
• Pricing data: Detailed pricing information, including list prices, discount schedules, negotiated pricing, and pricing models (per-seat, per-transaction, tiered, or platform-based). The FTC is likely to request granular, transaction-level pricing data for the procurement-automation SaaS products.
• Revenue data: Revenue by product line, customer segment, and geography for each year in the applicable lookback period. This may require disaggregation of Luminex's and Vectis's revenue streams to isolate procurement-automation SaaS revenue from other product revenue.
• Market share data: Internal estimates of market share, total addressable market, serviceable addressable market, and any other market sizing data. This includes data from internal analyses as well as data from third-party market research firms (e.g., Penmark Consulting Group, Fenmore Consulting Group, Meridian Advisors).
• Competitive win/loss data: Data on competitive bid situations, including the identity of competing bidders, win/loss outcomes, customer feedback on competitive evaluations, and any quantitative analysis of win rates and diversion ratios. This data is particularly critical and is likely to be a focus of FTC staff review.
• Ardent Capital financial models and market sizing data: Financial models prepared in connection with the Transaction that contain market share assumptions, growth projections, or competitive benchmarking inputs.
Data compilation from Vectis Solutions will require close coordination with Michael Parekh and Vectis's data systems team. Data compilation from Luminex will be coordinated with CRS to ensure consistency and avoid duplication.
B. Privilege Review Protocol
A robust privilege review protocol is essential to protect the attorney-client privilege and work product protections applicable to our client's communications and litigation preparation materials. The following procedures will be implemented:
• Review team: A privilege review team will be assembled within Calderwood & Harkness, led by Megan Chu as the day-to-day coordinator. Additional contract reviewers will be staffed as needed based on the volume of collected documents. An estimated ten to twenty contract reviewers may be required, depending on the total document volume.
• Privilege log format: All documents withheld on the basis of privilege will be logged in a format that complies with FTC requirements. The privilege log will identify the document by Bates number (or control number), date, author, recipient(s), general subject matter, and the specific privilege asserted (attorney-client, work product, or both).
• Categories of privileged documents: Special attention will be given to the following categories of potentially privileged documents: (i) communications involving Calderwood & Harkness attorneys, including email threads, memoranda, and presentations; (ii) communications involving Caldwell, Raines & Sheppard LLP and any other counsel (including Luminex's in-house legal team); (iii) Ardent Capital Investment Committee materials that embed legal advice or reflect attorney-client communications regarding antitrust risk; (iv) attorney-client communications regarding the HSR filing strategy, antitrust risk assessment, and remedies analysis; and (v) work product prepared in anticipation of the FTC investigation or potential litigation.
• Clawback agreement: We will seek to negotiate a clawback agreement with FTC staff pursuant to Federal Rule of Evidence 502(d), which would provide that the inadvertent production of privileged or work product materials does not constitute a waiver of the applicable privilege or protection. A FRE 502(d) order, if obtainable, provides an additional layer of protection and reduces the risk associated with high-volume, expedited privilege review.
C. Production Format
All document productions to the FTC will be made in the format required by the FTC's specifications, which typically require:
• Load-file format with full metadata (including date, author, recipient, subject, custodian, file path, and other standard fields)
• Bates numbering of all produced documents
• Searchable text (OCR for image-only documents)
• Native-format production for spreadsheets and other data-intensive documents where required by the specifications
• Deduplication consistent with the FTC's specifications and any negotiated protocols
The e-discovery vendor will be responsible for processing, hosting, and producing documents in compliance with these requirements. Rolling productions are anticipated, with the target for the first rolling production being approximately thirty days after receipt of the Second Request (estimated target: May 26, 2025). Subsequent rolling productions will follow on a regular basis — ideally every two to three weeks — until substantial compliance is achieved.
VII. TIMELINE AND MILESTONES
A. Anticipated Timeline
The following table sets forth the anticipated timeline for key events in the Second Request process, based on our current estimates and the Merger Agreement's Outside Date provisions:
B. Critical Path Analysis
The timeline analysis reveals that meeting the Q3 2025 closing target requires an aggressive and disciplined approach to Second Request compliance. The critical path can be summarized as follows:
If the Second Request issues on or about April 25, 2025, and Calderwood & Harkness achieves substantial compliance and certification within approximately ninety days (i.e., by late July 2025), the subsequent thirty-day waiting period following certification would expire in late August 2025. This would place closing within the Q3 2025 window and well within the September 10, 2025 Outside Date, assuming all other closing conditions are satisfied.
However, any material delay in the compliance timeline — whether due to unanticipated document volume, disputes with FTC staff over the scope of specifications or search terms, additional information requests, or the need to compile complex data specifications — could push certification into September or later. If compliance or FTC review extends beyond the September 10, 2025 Outside Date, the Merger Agreement provides for a three-month extension to December 10, 2025, but only if the sole unsatisfied closing condition at such time is the receipt of required regulatory approvals. Given the parallel CFIUS, Bundeskartellamt, Swiss, and EU FSR proceedings, there is some risk that other regulatory conditions could also remain unsatisfied, although we expect the FTC process to be the longest and most complex of the pending regulatory reviews.
As an alternative to formal certification, the parties may consider a "pull-and-refile" strategy, under which the HSR filing is withdrawn and refiled in order to restart the initial waiting period. This approach can be advantageous in certain circumstances — for example, if the FTC staff indicates that it is close to clearing the Transaction but the formal Second Request compliance process is not yet complete. A pull-and-refile strategy should be evaluated in the context of the timing agreement and in consultation with FTC staff to ensure it does not adversely affect the relationship with the reviewing agency.
Additionally, we should note that the Reverse Termination Fee of $140,000,000 (representing 5% of the deal value) is payable by Buyer under the Merger Agreement if it fails to close due to a financing failure or willful breach. While the Reverse Termination Fee is not triggered by a regulatory failure per se, prolonged regulatory delay increases overall deal risk, including the risk of adverse market developments, customer attrition at the Target, and deterioration in financing market conditions. Maintaining momentum in the Second Request process is therefore essential not only for regulatory reasons but also for transaction execution purposes.
VIII. FTC ENGAGEMENT STRATEGY
A. Timing Agreement
Upon issuance of the Second Request, Calderwood & Harkness will promptly seek to enter into a formal timing agreement with FTC Bureau of Competition staff. A timing agreement establishes a structured framework for the parties' interactions with the FTC during the investigative process and provides a degree of predictability regarding the timeline for FTC action. The key elements of a timing agreement typically include:
(i) Definition of substantial compliance: A negotiated standard for what constitutes "substantial compliance" with the Second Request, which in practice serves as the trigger for certification and the commencement of the new thirty-day waiting period. We will seek a definition that recognizes the practical realities of large-scale document production and avoids an unreasonable standard of perfection.
(ii) Agreed certification procedures: A protocol for certifying compliance, including the form of certification and the process for resolving any disputes with FTC staff regarding the completeness of the response.
(iii) Advance notice period before FTC action: A commitment by the FTC to provide advance notice (typically thirty days) before initiating any enforcement action, such as the filing of a complaint or a motion for a preliminary injunction. This advance notice period provides the parties with an opportunity for final negotiations and, if necessary, to prepare for litigation.
(iv) Commitment to good-faith negotiations: An agreement that the FTC staff will engage in good-faith negotiations before resorting to litigation, including discussions of potential remedies or consent orders.
A draft FTC Timing Agreement letter is being prepared separately and will be circulated for review. Lead counsel for all FTC engagement and timing agreement negotiations will be Elaine Forsythe.
B. Substantive Advocacy
In parallel with the compliance process, Calderwood & Harkness will pursue a proactive substantive advocacy strategy designed to frame the FTC's analysis of the Transaction in a manner favorable to our client. The key elements of this strategy are as follows:
Market Definition Advocacy. We will engage with FTC staff early and constructively to advocate for a broader relevant product market definition that encompasses the full range of enterprise SaaS platforms incorporating procurement, ERP, and supply-chain analytics functionality — rather than a narrow definition limited to procurement-automation SaaS modules. Under a broader market definition, the combined market share of Luminex and Vectis is materially lower, and the presence of large, well-resourced competitors such as Ostrander Industries, Brightwater Technologies, Westmark Partners LLC, and Meridian Corporation significantly diminishes any inference of anticompetitive effect. Our advocacy will be supported by evidence of customer purchasing behavior, which often involves evaluation of integrated platform capabilities rather than isolated procurement modules.
White Paper Preparation. Calderwood & Harkness will prepare a comprehensive white paper for submission to FTC staff addressing market definition, competitive dynamics, and barriers to entry. The white paper will include: (i) an analysis of the relevant product and geographic markets, supported by customer purchasing data and industry analyst reports; (ii) a survey of the competitive landscape, including profiles of significant competitors and their market shares, product capabilities, and growth trajectories; (iii) an analysis of barriers to entry and expansion, emphasizing the low technical barriers to developing cloud SaaS applications and the rapid pace of innovation in the enterprise software market; and (iv) an assessment of the Transaction's likely competitive effects, including the case for procompetitive efficiencies.
Efficiencies Narrative. We will develop a compelling efficiencies narrative that highlights the complementary nature of the Luminex One platform and Vectis's product suite. The core argument is that the Transaction will enable the combined entity to offer an integrated, end-to-end procurement and supply-chain platform that delivers greater value to customers than either standalone product, through enhanced product functionality, accelerated R&D investment, and the elimination of duplicative infrastructure costs. Efficiencies that result in direct customer benefits — such as lower prices, improved product features, and faster innovation — are the most likely to be credited by the FTC and should be the focus of our advocacy.
Customer and Competitor Contact List. The FTC will almost certainly conduct market testing through interviews with customers and competitors of the merging parties. We should prepare a curated list of customer and competitor contacts for submission to FTC staff, selecting contacts who are likely to provide perspectives that are supportive of, or at least neutral toward, the Transaction. This list should include diversified customers who value the breadth of the Luminex platform, customers of Vectis who welcome the opportunity for an integrated offering, and competitors who view the market as dynamic and competitive.
C. Potential Remedies Posture
As noted above, a separate Remedies / Divestiture Analysis Memorandum is being prepared to address remedies scenarios in detail. For purposes of this memorandum, the following summary of the remedies posture is provided: