Materion (MTRN) 8-K Regulation FD Disclosure

Exhibit 99.1

Investor Presentation April 2010 .... a leader in creating innovative engineered material solutions and services to make our customers competitive on a global basis .... while enhancing earnings growth, shareholder value, and stability ... by broadening technology, market, and geographic reach

2 Forward-Looking Statements These slides contain (and the accompanying oral discussion will contain) "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. These statements involve known and unknown risks, uncertainties and other factors that could cause the actual results of the Company to differ materially from the results expressed or implied by these statements, including health issues, litigation and regulation relating to our business, our ability to achieve profitability, significant cyclical fluctuations in our customers' businesses, competitive substitutes for our products, risks associated with our international operations, including foreign currency rate fluctuations, energy costs and the availability and prices of raw materials and other factors disclosed in periodic reports filed with the Securities and Exchange Commission. Consequently these forward-looking statements should be regarded as the Company's current plans, estimates and beliefs. The Company does not undertake and specifically declines any obligation to publicly release the results of any revisions to these forward-looking statements that may be made to reflect any future events or circumstances after the date of such statements or to reflect the occurrence of anticipated or unanticipated events.

3 Brush Engineered Materials Inc. Profile A leading manufacturer of high performance advanced engineered materials and services ... an enabling materials technology company Four segments ... with operations, service centers and major office locations in North America, Europe and Asia Serving long-term growth oriented global markets from consumer electronics to heavy mining equipment

4 Company: Brush Engineered Materials Inc. founded 1931, publicly traded since 1956 NYSE Ticker: BW Shares Outstanding: Approximately 20.5 million at 3/31/10 Market Cap: Approximately $530 million at 4/06/10 Component of: S&P Super Composite 1500, Russell 2000 S&P SmallCap 600, Russell 3000 2009 Revenue: $715 million 2009 Diluted EPS: $(0.61) which includes a net inventory valuation charge, derivative mark-to-market valuation, severance costs due to manpower reductions, acquisition costs and a pension benefit resulting from the reduction in workforce Debt to Total Capitalization: 16% at 12/31/09 Overview

BEM....the transformation From Metals & Mining through Specialty Metals to Advanced Materials From an "old industrial" to a "new age technology" company 5

BEM....the transformation (cont'd) Broaden the base...focused on > GDP opportunities new technologies new markets new products expanded geography Target fastest growing segments of fast growing markets First Priority.....organic growth Second Priority...."manageable" acquisitions All while building and maintaining a strong balance sheet 6

BEM....the transformation (cont.) Investments...prioritizing a targeted business model low capital intensity...both working capital and reinvestment capital high IP....technology driven business non-commodity products...high margins good growth potential in >> GDP opportunities Acquisition goals Accretive within 12 months Approximately $50 million invested per year from cash flow Use debt and equity when appropriate while maintaining quality of balance sheet and financial flexibility 7

BEM....the transformation (cont.) 8 Integrated Metals Advanced Materials

Targeted acquisitions increasingly important to total sales 9 $ in millions

Acquisitions 2005 OMC Shield kit cleaning services (technology buy) 2006 CERAC Inorganic chemicals ... powders and evaporative targets (optics, security, solar, semiconductor) 2007 TFT Thin film vacuum sputtered coatings 2008 Techni-Met Thin film roll to roll flexible substrate vacuum sputtered coatings (medical) 2009 Barr Associates Thin film optical filters (defense, aerospace, medical, energy, semiconductor, telecommunications, lighting, astronomy) 2010 Academy Corporation Gold and silver sputtering targets, large area metallic sheet material, fine wire, and rod and powder (electronics, medical, industrial) 10

Barr Associates, Inc. Acquisition announced on October 23, 2009 Based in Westford, Massachusetts with approximately 300 employees in three leased facilities in the Westford area Leading manufacturer of precision thin film optical filters that enable complex technologies and components throughout the defense, aerospace, medical, energy, semiconductor, telecommunications, lighting and astronomy markets Applications include high energy lasers, thermal imaging, night vision, environmental sensing, blood analysis, DNA sequencing, surveillance, targeting, and gas and fire detection The transaction, valued at approximately $55 million, was financed with internally generated cash and proceeds of approximately $25 million from the Company's $240 million revolving line of credit Expected to be accretive to earnings in 2010 11

Academy Corporation Acquisition announced on January 5, 2010 Based in Albuquerque, New Mexico with approximately 150 employees in four leased facilities in Albuquerque and Gallup, New Mexico Leading provider of precious and non-precious metals and refining services to customers in a number of technically demanding end-use markets Markets served by Academy are architectural glass, solar energy, electronics, chemicals, medical, industrial and high value jewelry The transaction, valued at approximately $23 million, was financed with internally generated cash and proceeds from the Company's $240 million revolving line of credit Expected to be accretive to earnings in 2010 12

13 Brush Engineered Materials - Major Segments Alloy Be Products TMI Other WAM East 0.24 0.07 0.05 0 0.64 West North Williams Advanced Materials PVD Targets Optical Coatings Refining Electronic Packaging 64% Alloy (Cu based Be and Ni Alloys) Electronic Connectors Industrial Components 24% Be Products Defense/Aerospace Specialty Commercial Products 7% TMI (Specialty Clad and Plated Strip) Automotive Connectors Telecommunications Consumer electronics 5% 2009 Revenue Be and Be Composites Specialty Engineered Alloys Advanced Material Technologies and Services Engineered Material Systems

14 2009 Recap Sales of $715 million Diluted earnings per share of $(0.61) Acquisition of Barr Associates, Inc. for $55.2 million Barr produces precision thin film optical filters that enable complex technologies and components throughout the defense, aerospace, medical, energy, semiconductor, telecommunications, lighting and astronomy markets

15 2010 Outlook (as of 4-5-10) Demand has continued to improve, especially in the consumer electronics-oriented and wireless infrastructure- oriented markets as well as in data storage, optics and automotive electronics Recently, we are seeing improvement in the defense and industrial markets (oil and gas and aerospace) 2010 sales are expected to improve 65%-85%; to approximately $1.2 to $1.3 billion. Organic sales growth is expected to account for up to approximately 35 percentage points of this increase, with the acquisitions adding approximately 30 percentage points and the balance consisting of increased metal prices passed on to customers 2010 profit in the range of $1.15 to $1.40 per share, diluted

Q1 2010 Outlook (as of 4-5-10) The level of overall business activity improved sequentially in 2009, quarter over quarter, as the year progressed. The improving trend has continued throughout the fourth quarter of 2009 and into the first quarter of 2010 Q1 2010 sales are expected to be in the range of $300.0 million to $310.0 million Q1 2010 earnings are expected to be above $0.25 per share diluted Included in the earnings estimate is approximately $0.12 per share of charges 16

Strength in Challenging Times Balance Sheet Revolver $240 mm committed facility, matures November 2012 Debt Debt to total capital of 16% Working capital turnover improved from 164 days in 2008 to 132 days in 2009 17

Global Leader in High Performance Engineered Materials 2009 Revenue by Market 18 Consumer 32% Infrastructure 21%

19 Brush Engineered Materials ... core competency Collaborating with customers worldwide to solve material application challenges ... with a focus on enabling technology and services "Own" a Niche orientation ... non-commodity Focus on global growth and service Constantly looking ahead to realign product and service portfolios toward favorable trends ... targeted to achieve strong profitable growth Employees who are passionately focused on exceeding customer expectations A common approach to markets and a common culture across our operating companies

20 Global Sales and Distribution Network Operations in the U.S. and eleven foreign countries International sales are approximately 35% of the Company Act globally ... service locally! ?-------------- Asia / Pacific ------------? ? ---------------- Europe -------------- ? ? - Exports from USA -? Singapore Korea Hong Kong UK Germany Philippines Taiwan Japan China Ireland Czech Republic

21 Strong customer collaboration ... providing enabling technology solutions and service Materials that meet design challenges requiring - Strength - Reliability - Electrical conductivity - Miniaturization - Weight reduction - Corrosion resistance - Reflectivity - Thermal conductivity Targeting profitable growth applications in growing markets Advancing the World's Technologies

22 Typical End Uses Data Storage Industrial products for Oil & Gas and Mining Medical Devices Cellular phones, i-Pods(tm) and other wireless communication devices Notebook computers and network servers Electronic components in cars and trucks Commercial Aerospace Defense

23 Applications - Cell Phones I/O Connector Contacts (Alloy): Brush 60/17410 Alloy 25/190/290 Battery Contacts (Alloy): Brush 60 Alloy 25/190/290 Internal Antenna Contacts (Alloy): Brush 60/17410 Alloy 25/190/290 Grounding Clips and Audio Jacks (Alloy): Brush 60 Alloy 25/190/290 Micro Mezzanine Connectors for LCD Screen (Alloy): Brush 60 Internal Electronics (WAM): Thin Film Materials - Power amplifiers, SAW and BAW devices, filters, and IC's Frame Lid Assemblies for SAW Thin Film Material for backlight applications using LED technology Shield Cleaning Other Cell Phone Applications: Circuit Board and IC Inspection (Electrofusion/ Be Products): PF-60 Be; IF-1 Be; AlBeMet 162 RoHS Compliance Assurance (Electrofusion): PF-60 Be; IF-1 Be

Applications - Photovoltaic (Solar) Technology: Amorphous Silicon (a-Si, tandem and multi- junction) Thin Film (PVD) Materials Silicon based photovoltaic cells Front and back contact layers TCO Transparent Conductive Oxide layers Technology: Cadmium Telluride (CdTe) Thin Film (PVD) Materials Cadmium based solar cell architecture. N and P type Cadmium Semiconductor materials TCO Transparent Conductive Oxide layers Front and Back-contact layers Technology: Copper Indium Gallium Selenide (CIGS) Thin Film (PVD) Materials as well as Powders for Printing CIGS applications Copper Indium Gallium Selenide thin film and screen printing applications for flexible and rigid solar cells. Technology: Concentrator Photovoltaic (CPV) Thin Film (PVD) Materials Solar technology based on concentrating Solar rays into a semiconductor device via large lens. Anti-Reflection Coating Materials Precious metal contact materials Micro Electronic Packaging Products: Bonding Ribbon - Au & Ag Lead-free Solders Metallized Ceramic Substrates Technology: Flexible Solar Cells / Building Integrated Photovoltaic: Thin Film Services: Solar cells built in flexible substrates to accommodate applications such as roofing tiles or defense. 24 Technology: Crystalline Silicon (Si) Interconnect Materials Front and backplane systems for high efficiency designs.

25 Thin film materials for the read/write head. (WAM) Sputtering Targets/Evaporation Materials (Precious Metals, Alloys, Non-Precious Metals, Alloys, Magnetic Materials, Heusler Alloys and Oxides) Applications - Hard Disk Drives Example - Hard Disk Drive Media PMR Material Stack Disk Drive Arm (TMI) Clad Materials (Aluminum and Stainless Alloys) Applications growing into many commercial and mobile electronic products. Thin film materials for the Disk Substrate (WAM) Sputtering targets (Precious Metals, Alloys, Non-Precious Metals, Alloys, Magnetic Materials, Oxides)

26 Applications - Oil & Gas Under Water Wellhead Equipment (Alloy): Brush Alloy 25 ToughMet(r) 3 Blow out preventers, hydraulic actuators Directional Drilling Equipment (Alloy): Brush Alloy 25 ToughMet(r) 3 MWD, LWD, MPT systems Drill Bits (Alloy): Brush Alloy 25 ToughMet(r) 3 Structural Rig Components (Alloy): ToughMet(r) 3 Wellhead Control Equipment (Alloy): Brush Alloy 25 ToughMet(r) 3 Other Oil & Gas Applications: Elemental Analysis (Electrofusion): PF-60 Be; IF-1 Be Down Hole X-Ray Inspection (Electrofusion): PS-200 Be

27 Applications - Aerospace Avionics/Electrical Systems (Alloy): Alloy 25 Airframe (Alloy): Alloy 25 Landing Gear Attachments (Alloy): Alloy 25 ToughMet(r) 3 Engine and Pylon Attachments (Alloy): Alloy 25 ToughMet(r) 3 Flight Control Mechanisms (Alloy): Alloy 25 ToughMet(r) 3 Horizontal Stabilizer & Rudder Attachments (Alloy): Alloy 25 Hydraulic Systems (Alloy): Alloy 25 Fuel Systems (Alloy): Alloy 25 Wing Attachments (Alloy): Alloy 25 Doors & Hatches (Alloy): Alloy 25 ToughMet(r) 3 Landing Gear Components (Alloy): Alloy 25 ToughMet(r) 3 Flight Attendant Jumpseat spring (Alloy): Alloy 25 Safety Slide Mechanism (Alloy): Alloy 25 Other Aerospace Applications: Baggage Inspection (Electrofusion): PF-60 Be Nondestructive Evaluation (Cracked Component Detection) (Electrofusion): PF-60 Be

28 Applications - Medical Cardiac Rhythm Management (TMI): Electronic Interconnects/Components Niobium/Titanium Electron Beam Weld Insulin Pump (Alloy): EMI Shielding Electrical Terminals in Connectors Mechanical Chips Connector Systems for equipotential grounding Seizure Control (WAM/TFT): Thin Film Deposition Implantable Electrode - Parkinson's disease (R&D) External Glucose Analysis (WAM/TFT/Techni-Met): Subcutaneous sensors for glucose measurement Subcutaneous Glucose Analysis (WAM/TFT/TechniMet): Thin Film Coatings - Electrode Monitoring device Dental X-Ray (Electrofusion): PS-200 Be X-Ray Mammography (Electrofusion): IS-50M Be Other Medical Applications: CT Scan (Electrofusion): PF-60 Be; PS-200 Be Bone X-Ray (Electrofusion): PF-60 Be Ultrasonic Scalpels (Be Products): S-200F Be Advanced Drug Delivery Components (TMI): Clad Stainless Hypodermic Components (TMI): Multigauge Stainless Diagnostic Electronic Components (TMI): Gold Plating Anesthesia Monitoring Components (TMI): Gold Plating Biopsy Instruments (TMI): Electron Weld Beam Stainless Cauterizing Electronic Scalpel (TMI): Clad Stainless

29 AMTS Corporate Thin Film Products Electronic Packaging Products Advanced Material Technologies and Services Business Structure Today and Evolving Thin Film Services Shield Cleaning Services Specialty Inorganic Materials Wheatfield, NY Ireland Czech Republic Brewster, NY Buffalo, NY Albuquerque, NM Buffalo, NY Singapore Philippines Newburyport, MA Windsor, CT Buellton, CA Westford, MA Buffalo, NY Milwaukee, WI Suzhou, China Additional Service Operations: Taiwan, Suzhou, Ireland, Singapore, California Operating Locations

30 Williams Advanced Materials also has broad capabilities in precious and non-precious materials Comprehensive product line High purity / proprietary PVD targets Micro-electronic packaging materials Specialty inorganic chemicals Strong end use markets Data storage Wireless/handsets Semiconductor Optical media Photonics Industry leading service and support Global sales and applications support "Best-in-class" response times Growing business in chamber services Low-cost operations in Singapore, Taiwan and the Philippines New offices in Korea, Japan, Shanghai, Czech Republic Acquisition of Techni-Met , Barr Associates and Academy Corporation Optics Medical Solar Defense

31 Key Markets - Wireless and Photonics Thin Film and Packaging materials for varied wireless and photonic applications including RF Power Amplifiers, HBT's, SAW Devices, Light Emitting Diodes (LEDs), Laser Recorders and Micro Electro Mechanical Systems (MEMS)

32 Key Markets - Semiconductor Wafer Fabrication Thin film materials and chamber services for silicon wafer and UBM (Under Bump Metallization) technologies. Numerous commercial and military microelectronic applications. Under bump metallization

33 Key Markets - Semiconductor Packaging High reliability semiconductor packaging materials. Applications focused in space, military and satellite market segments. Solder preforms and clad materials

34 New Product and Technology Development ADVANCED MATERIAL TECHNOLOGIES AND SERVICES Magnetic Media and Head Materials, Eco-Ru(tm) Sputter Targets Under Bump Metallization (UBM) for Flip Chip FCCL Materials Optics Coating Materials Precision Optical Thin Film Coatings (specialty filters) High Value Optical Coatings (large format optic components) Visi-Lid(tm) - Optical package for New Photonics applications Expanded refining/chamber services - Compliment to Thin Film Materials & Coating businesses Silver Alloys for HD-DVD and Blue Ray Disc manufacturing Solar Panel Thin Film and Concentrator Materials Solar Panel Barrier Film Coatings (BIPV) MEMS and Photovoltaic Packaging Materials Nanotechnology Materials Precursor materials for High Intensity LEDs Precious Metal Materials - rod, bar, sheet, slugs, etc.

35 New Product and Technology Development SPECIALTY ENGINEERED ALLOYS ToughMet(r) Alloy for High Volume Bearing Applications Cupronickel alloy rod for offshore and marine seawater systems Alloy 390E and Alloy 25BiQ High Performance Copper Beryllium Strip Alloy for Burn in and Test Sockets (BiTS) applications BrushForm 158 and BrushForm96 Copper Nickel Tin Strip alloys for electronics and mechanical spring BE AND BE COMPOSITES Nearer net shape fabrication (hot isostatic pressing) Truextent(tm) speaker diaphragms Coatings Nuclear beryllium materials ENGINEERED MATERIAL SYSTEMS Li lon Battery Interconnects Solar panel interconnects Nitinol processing (medical)

36 Physical Vapor Deposition (PVD) Process

37 World's only Fully Integrated Beryllium Producer Bertrandite Ore Mining & Extraction Delta, UT Casting, Rolling & Finishing Elmore, OH Thin Gauge Rolling & Finishing Reading, PA Service & Distribution Centers Global Network New Beryllium Pebbles Plant underway with DoD Title III funding, targeted for completion in second half of 2010

38 Strip Alloy Applications (strength, conductivity, spring characteristics ... typically 1% to 2% Beryllium) Current Carrying Springs and Relays Integrated Circuitry Sockets Electrical and Electronic Connectors Air Bag Sensors Pressure Responsive Devices Fire Extinguisher Sprinkler Heads EMI shielding Appliance Switches Reliability and Miniaturization

39 Bulk Alloy Applications (strength, corrosion resistance, non-galling, conductivity ... typically 1% to 2% Beryllium) Aircraft Bushings Heavy Equipment Bearing and Wear Applications Oilfield well drilling, completion and production equipment Plastic Injection & Blow Molds Power Generation Tooling for Metalworking Undersea/Marine Housings for Telecom & Instrumentation Welding Electrodes & Dies

40 Toughmet(r) - a new unique solution for the most challenging wear and load conditions Oil & Gas...deeper drilling...tougher conditions Rotary steering drills Sour well drilling and completion tools Sub-sea control valves Blow-out preventions Heavy equipment ... larger equipment ... critical uptime Critical bearings in mining and construction Large vehicle drive trains Industrial pumps Manufacturing equipment bearings Aerospace ... larger planes ... heavier loads Landing gear, wheels, and braking systems Airframe attachments Fluid power systems, actuators Boeing 777, 787; Airbus 380, 350 Military - JSF35, Airbus 400M Confidence Weight Reduction Uptime Replacing bronze, stainless, and nickel alloys ... strength, lubricity, and wear resistance

41 Beryllium Products - Applications (lightweight, strength, dimensional, stability...typically 40% to 100% Beryllium) - - Optical mirrors for NASA space-based telescopes - - Infrared sensors for fighter jet optical targeting, radar and navigation/guidance systems and special ops (FLIR) -Structural and electronic components for satellites -X-ray windows in medical, security and commercial imaging systems -Diaphragms for commercial and concert quality speaker systems

42 Technical Materials, Inc. - solving customers' problems with engineered strip metals Mill Products Specialty cladding and inlay Electron beam welding of dissimilar materials Profiling shapes by milling and/or grinding Close tolerance rolling Electroplating Precious and non-precious metals Overall and selective stripe capabilities Combination with current TMI technologies Automotive, Telecom/Computer, Medical, Energy Disk Drive Arms Automotive Control Components Specialty Electronic Connectors

43 BEM - Execution Initiatives Profitable organic growth through new products, new applications, and new services Close collaboration with customers Expansion of international base and sales Broaden markets and technology Leverage above through "smart" acquisitions No let up in manufacturing excellence ... Lean Sigma process Increasing shareholder value Having the ability and passion to thrive on change !!!

44 Annual Revenue Our diversification and value creation initiatives are leading to strong growth in revenue and profitability Growth % +24% -16% -21% +8% +24% +9% +41% +25% -5% -21% +55-65% Telecom Crash Expected Global Economic Recession Recent acquisitions 30%

45 Our ongoing value creation initiatives are focused in three key areas Growth Expanding and diversifying the revenue base Targeting profitable niche growth applications in growing markets New product innovation and service Ongoing global expansion Strategic acquisitions, fast accretion Margin Improvement Lean Sigma-driven operating efficiency improvement New higher value added products Cost reductions Fixed and Working Capital Utilization Inventory turn improvement Lean Sigma-driven factory utilization gains

46 Strategic Highlights The Company is well positioned; strong balance sheet and revolver capacity to operate in this severe economic environment and to take advantage of strategic opportunities as they arise Strong, diverse set of markets served Global market reach New products and services ... a culture of innovation Niche-oriented product offerings Acquisitions adding to growth and earnings Focus on manufacturing excellence resulting in improved operations Strong cash flow

Vision · Mission · Values 47 Vision We will be a leader in creating innovative engineered material solutions and services that make our customers competitive in global markets Mission ...in support of our vision: We bring value to our customers, globally, through innovative technology, service, and collaboration Our employees are passionately focused on exceeding customers' expectations We are committed to build a strong financial future for our employees and shareholders, striving to consistently grow revenues and earnings We are driven to continuously improve our supply chain, creating the highest value for our customers while reducing costs...using Lean Six Sigma We design, manufacture, and distribute our products in a safe, environmentally responsible manner Values ...We believe in a set of individual and team values, where: Each of us is committed to safety as our first priority We are committed to the highest standard of ethics and integrity in our business affairs We conduct ourselves with honesty and respect among our fellow employees, customers, suppliers, shareholders, and our communities We are proactive stewards of the safe use of our materials We share a trust among our employees that encourages aggressive performance commitments We have the authority, individually and in teams, to achieve our goals We embrace change and reject complacency We are committed to strengthen the organization by attracting and developing talented, dedicated individuals We collaborate with our customers and suppliers to create higher value We are involved in the betterment of our communities