Announcements

December 15, 2022

Dear Valued Customer:

At Westlake Pipe & Fittings, we continue to advance our pipe and fittings products and systems 
offerings. As part of the effort to implement a more interconnected and streamlined approach to our 
business, we recently optimized our manufacturing and distribution network. With these changes 
beginning January 1, 2023, the new offerings include:

•  A full line of Solvent Weld SDR35 Sewer Fittings (S-Series). The fittings are tested for joint 
tightness, internal stress and dimensional stability and engineered for the harsh environment of 
construction, handling and installation. The fittings are third party tested and listed by NSF, 
UPC, and CSA to meet specifications defined in ASTM D3034 and CSA B182.2. Visit the link below for 
the new product price list.

•  Increased availability of Plumbing and DWV fittings.

•  Brownsville, Tennessee customer service has a concentrated focus on supporting the plumbing 
market segment.

Westlake Pipe & Fittings is dedicated to supporting the needs of our customers creating innovative 
and holistic system solutions. Our commitment to delivering these solutions is at the core of what 
we do. For a product price list on the Solvent Weld SDR35 Sewer Fittings (S-Series) and the 
expanded DWV fittings line, visit www.Westlakepipe.com/customer-resources and for questions, email 
info@westlakepipe.com.

Sincerely,

Brent Wetmore
Vice President, Sales

May 18, 2022

Dear Valued Customer,

In order to best serve our customers and focus on Westlake Pipe and Fittings’, formerly LASCO, core product strengths; we have decided to exit the CPVC-CTS product category.  Currently, there are limited quantities on-hand, with no intention of replenishing

A list will be provided, upon request, of what CTS inventory is currently available.   This product will be sold on a first come, first served basis.  Westlake Pipe and Fittings thanks you for your continued support, and apologize for any inconvenience this may cause.

Sincerely,
Bryan Jackman | VP Sales

bjackman@westlakepipe.com
414 Morgan Street, Brownsville, TN 38012 | www.lascofittings.com

April 22, 2022

Dear Valued LASCO Customers,

Effective Monday, May 16, 2022 LASCO Fittings will increase all list prices for all Pressure product categories by approximately 8%. To arrive at the new list prices:

- Divide the November 1st list prices by .92
- This increase also applies to all 10” & 12” Large Diameter
- DWV fittings are excluded from this increase

These increases are the unfortunate results of continuing availability and cost issues with raw materials and additives; as well as escalating costs of freight and labor.

New list prices will be available in Excel format on our website www.lascofittings.com within a few days. All pressure orders received prior to 6pm CDT on Friday, May 13th will receive the November 1, 2021 list prices. All orders meeting allocation parameters are for immediate shipment and any unusually large orders may either be altered or denied.

Given the same market forces, Colonial Valves will also be increasing on Monday, May 16th. Colonial orders are subject to the same parameters as LASCO Pressure orders and the same scrutiny pertaining to order size. Due to the volatility of the raw material markets, printed copies of the VPS-32 price sheet will not be distributed. Below are the Colonial Valve increases: - 10% on most valve products o (current List Price divided by .90) - 20% on all VK Contractor Kits* (Butterfly Valve & Wafer Check Valve Contractor Kits) o (current List Price divided by .80) - 30% on all Bolt Sets* (Bolt sets for Butterfly Valves and Wafer Check Valves) o (current List Price divided by .70) - *These are located on pages 17 & 18 of the List Price Sheet
We thank you for your continued support and please know your business is greatly appreciated.

Sincerely,
LASCO Fittings

April 1, 2022

Dear Valued LASCO Customers,

Effective Friday, April 15, 2022, LASCO Fittings will increase all DWV list prices by approximately 10%. To arrive at the new list prices:

- Divide the November 1st DWV list prices by .90
- This increase applies to all DWV fittings thru 12”

These increases are the unfortunate results of continuing serious availability issues with raw materials and additives, as well as the escalating costs of freight and labor.

The new list prices will be available in Excel format on our website at www.lascofittings.com within a few days. DWV orders received prior to 6 pm CST on Thursday, April 14th will receive the November 1, 2021 list prices. All orders meeting allocation parameters are for immediate shipment and any unusually large orders may either be altered or denied.

We, at LASCO, thank you for your continued support and please know your business is greatly appreciated.

Sincerely,
LASCO Fittings

March 14, 2022

Dear Valued Customer,

We are pleased to announce our new company name: Westlake Pipe & Fittings. You have known us in the past as NAPCO Pipe & Fittings along with a number of other legacy brands and now we are redefining our business to directly reflect the true value you receive as a customer-backed by the brand equity of Westlake Corporation, a Fortune 500 company. NAPCO is now Westlake Pipe & Fittings effective April 30, 2022.

As Westlake Pipe & Fittings, we want to lead in developing increasingly more sustainable products engineered to last, while delivering the high-quality essential products you need for your business every day. We are improving our collaboration with customers to continually advance our pipe and fittings products and systems to innovate and reinvent solutions with the latest technology. The recent acquisition of LASCO Fittings, Inc., a manufacturer of injection-molded PVC fittings, has allowed us to provide a wider array of new products to current markets as well as support new market segments. With our expanded business, Westlake now ranks as the #2 producer of PVC pipe and fittings in the Americas.

The change to Westlake Pipe & Fittings allows us to better partner with you as we work toward providing a more interconnected and streamlined approach to our business. This approach will enable customers to see the full value that Westlake Pipe & Fittings product portfolio has to offer.

Given the scope of our growing presence, we deeply recognize the responsibilities we owe to our customers and our commitment to delivering the high-quality products that you know and expect. Rebranding is the first step in our focus to improve the customer experience and become an easier company for our customers to do business with; expect to see additional improvements throughout 2022.
We look forward to a continued partnership.

Sincerely,

Andre Battistin
Vice President

October 29, 2021 

Dear Valued Customers, 

As previously announced, the fire at LASCO’s upstream supplier of resin compound has caused supply chain implications.  One of which is - LASCO hereby declares Force Majeure due to the fire at our supplier’s plant, which has specifically and adversely impacted the production of CPVC fittings. 

Therefore, effective immediately, LASCO’s performance obligations in regards to the manufacture and shipment of CPVC Sch 80 fittings are hereby suspended until further notice. At this time, we are not in the position to predict the duration of this Force Majeure event. 

Due to the uncertainty of this fluid situation, all incoming new CPVC Sch 80 fittings will be limited to 1/24 of annual purchase history (2 weeks), with no certainty of immediate delivery. 

We sincerely regret any inconvenience this causes your company and our need to inform you of this situation. We greatly appreciate your company’s patience, understanding and support in working with us through this difficult time. We are committed to keeping you informed as our current situation develops and to restoring our supply position as quickly as possible.  To keep up with the most current updates, please utilize our online announcements page - https://www.lascofittings.com/announcements

Sincerely,

October 25, 2021

Dear Valued Customers,

Due to a severe fire with an upstream supplier, LASCO will be enacting extraordinary measures to deal with this calamity.  Fortunately, no one either died or was significantly injured during the course of the fire. 

Here is a brief explanation of what will immediately take place:

• LASCO customer service will not be entering new customer orders from Tuesday, October 26^th through Friday, October 29^th. 
• Customer service will resume entering orders on Monday, November 1^st reflecting a 10% list price increase on all PVC products except Colonial Valves
• Please note that the customer service team will remain open this week to maintain all other normal departmental functions

All orders received this week (Tuesday through Friday) will be returned to the originator and requested to be resubmitted next Monday with the new November 1^st increase.  New list prices will be available at www.lascofittings.com no later than Wednesday morning.  All orders are for immediate shipment and any unusually large orders (1/12 of annual demand) will either be altered or denied.

LASCO thanks you for your business and continued support during this unprecedented business climate.

Sincerely,

LASCO Fittings
 

October 6, 2021

Dear Valued LASCO Customers,

Effective Monday, October 25, 2021, LASCO Fittings will increase all DWV list prices 8%. To arrive at the new list prices, divide the September 5th DWV list prices by .92. Current multipliers will remain in effect. The new list prices will be available in Excel format on our website at www.lascofittings.com within a few days.

Orders received prior to 6 pm CDT on Friday, October 22nd will receive the September 5th list prices. All orders meeting allocation parameters are for immediate shipment and any unusually large orders may either be altered or denied.

We, at LASCO, thank you for your continued support and please know your business is greatly appreciated.

Sincerely,
LASCO Fittings

September 16, 2021

Dear Valued Customer,

Due to continued increases in material and transportation costs, LASCO will implement a List Price increase on October 1, 2021 for all Colonial Valve products. The increase will be 10% on all categories (current List Price divided by .90).

List Price Sheet VPS-31, (and for Slo-Close Ball Valves, price sheet VPSC-11) will be available in PDF and Excel format at www.lascofittings.com by Sept 20, 2021.

Due to the volatility of the raw material markets, printed copies of VPS-31 will not be distributed.

• Purchase orders received on or after 10/1/21 will be priced with the increase.
• POs with current pricing will be accepted through 9/30/21, but will be limited to 1 x your monthly average purchase quantity (prior 12-month average), with exceptions for approved project-orders previously quoted.

We appreciate your business and look forward to mutual growth and success.

Sincerely,

LASCO Fittings

September 1, 2021

Dear Valued LASCO Customers,

Effective Sunday, September 5, 2021, LASCO Fittings will increase Pressure List prices by 5% and DWV list prices will increase 6%. To arrive at the new list prices:

- Divide the September 1st pressure list prices by .95.
- Divide the August 29th DWV list prices by .94

The new list prices will be available in Excel format on our website at www.lascofittings.com within a few days. Orders received prior to 6pm CDT on Friday, September 3rd for pressure products will receive the September 1, 2021 list prices. Orders received prior to 6 pm CDT on Friday, September 3rd for DWV products will receive the August 29, 2021 list prices. All orders meeting allocation parameters are for immediate shipment and any unusually large orders may either be altered or denied.

These increases are the unfortunate result of Hurricane Ida’s impact on the petrochemical industry in the Gulf Coast and the announced material supply chain interruptions. LASCO’s thoughts and prayers are with all the families and businesses affected by this storm.

We, at LASCO, thank you for your continued support and please know your business is greatly appreciated.

Sincerely,
LASCO Fittings

North American Pipe Corporation (NAPCO), a subsidiary company of Westlake Chemical Corporation, welcomed LASCO Fittings and its team into the Westlake family of companies.  Executives from NAPCO and Westlake visited the Brownsville facility last week to meet with employees and answer questions.  They also presented Jonathan Murray, CEO of LASCO with a safety plaque, which displays the words from Westlake’s founder T.T. Chao about the importance of working safely.  This plaque hangs in all of Westlake’s 50+ locations worldwide.  LASCO Fittings will continue to operate  from its manufacturing and distribution facility in Brownsville, Tennessee.

Westlake is a global manufacturer and supplier of materials and innovative products that enhance life every day. Headquartered in Houston, Westlake provides the building blocks for vital solutions — from building products and infrastructure materials to packaging and healthcare products, to automotive and consumer goods.  With the addition of LASCO Fittings, Westlake has approximately 9,800 employees and operates worldwide.

Pictured:

Front Row: Brent Wetmore, Kevin Yelle, Jonathan Murray (LASCO CEO), Andre Battistin, Chris Mead (LASCO HR Mgr), Brendan Caffrey

Back Row: Ted Marsh, Judge Clayburn Peeples, Mayor Bill Rawls, Mayor David Livingston, Mark Herbison

PRESS RELEASE

NAPCO Pipe & Fittings Announces Completion of Acquisition of LASCO Fittings

HOUSTON, August 19, 2021 – North American Pipe Corporation (NAPCO), a subsidiary of Westlake Chemical Corporation (NYSE: WLK), today announced that it acquired LASCO Fittings LLC, a Brownsville, Tennessee-based, leading designer, engineer and manufacturer of injected-molded PVC fittings, from Aalberts, NV.

“We are pleased to complete this important strategic acquisition and to welcome LASCO Fittings and its talented team into the Westlake family of companies,” said Andre Battistin, vice president, NAPCO Pipe & Fittings. “By adding LASCO Fittings to our product mix, NAPCO will expand into additional markets, particularly as LASCO specializes in half-inch to four-inch fittings and serves the plumbing, pool and spa, industrial, irrigation and retail markets in the United States.  LASCO’s product mix is very complementary to our existing range of pipe and fittings products primarily with diameters of four or more inches and will bring additional fittings products to NAPCO’s offerings.”

LASCO Fittings will continue to operate a 48-acre, 500,000 square foot manufacturing and distribution facility in Brownsville, Tennessee, northeast of Memphis.  It also has eight regional distribution facilities strategically located throughout the United States.  The company employs about 560 employees.
 

About NAPCO Pipe & Fittings

NAPCO, a Westlake company, is a leading North American polyvinyl chloride (PVC) pipe manufacturer.  Founded in 1992, NAPCO supplies a broad range of gasketed, solvent welded, and restrained joint pipes for a diverse range of markets, including municipal water and sewer, residential plumbing, water well, and agricultural and turf irrigation.  The company has a large and seasoned R&D team driving product enhancements that deliver innovative solutions that meet customers’ most challenging needs.  NAPCO offers a large selection of PVC piping and fittings, including brands such as Certa-Lok®, Yelomine®, Certa-Set® and Certa-Flo®. For more information visit www.NapcoPipe.com.

About Westlake

Westlake is a global manufacturer and supplier of materials and innovative products that enhance life every day. Headquartered in Houston, we provide the building blocks for vital solutions — from building products and infrastructure materials, to packaging and healthcare products, to automotive and consumer goods. For more information, visit the company's web site at www.westlake.com.

Contact:
Chip Swearngan
MediaRelations@Westlake.com
1-713-585-2900

August 16, 2021

Dear Valued LASCO Customers,

Effective Wednesday, September 1, 2021, LASCO Fittings, Inc. will increase Pressure List prices by 5%. To arrive at the new price lists, divide the June 28th list prices by .95. The new list prices will be available in Excel format on our website at www.lascofittings.com within a few days. This increase is a result of continued accelerated cost increases within our supply chain.

Orders received prior to 6pm CDT on Tuesday, August 31st will receive June 28, 2021 list prices. All orders meeting allocation parameters are for immediate shipment and any unusually large orders may either be altered or denied.

We, at LASCO, thank you for your continued support and please know your business is greatly appreciated. Below is a chart of all pressure product categories.

Sincerely,

LASCO Fittings, Inc.

August 2, 2021

Dear Valued LASCO Customer,

RE: ABS & PVC-DWV Price Increases

Due to continuous increases in raw material prices, freight, and labor, LASCO Fittings, Inc. will implement a 7% price increase on our PVC-DWV fittings, PVC-DWV Large Diameter (10”-12”) fittings and ABS-DWV fittings effective Sunday, August 29, 2021. All three product categories will increase 7% over the current July 7, 2021 list prices. To arrive at the new list prices, divide the current list prices by .93. The new prices will be available in Excel format on our website at www.lascofittings.com by August 3rd.

Current invoice multipliers will remain unchanged. Future dated orders exceeding the 1/12th limit will not be accepted.

Orders received prior to 6pm CDT on Friday, August 27^th will receive current July 7^th list prices. All orders are for immediate shipment and any unusually large orders may either be altered or denied. LASCO will continue to monitor all new incoming customer orders to ensure order quantities are limited to one month (1/12) of your annual 2020 invoiced dollar purchases.

If you have any questions, please contact your LASCO Fittings, Inc. salesperson. We appreciate the opportunity to serve as your PVC fittings partner.

Sincerely,

LASCO Fittings, Inc.

NAPCO Pipe & Fittings Announces Acquisition of LASCO Fittings, Inc.

LASCO Fittings operates a 48-acre, 500,000 square foot manufacturing and distribution facility in Brownsville,
Tennessee, northeast of Memphis. With eight regional distribution facilities strategically located throughout
the United States, LASCO can promptly supply its customers across North America.

The proposed transaction is subject to customary closing conditions, including the expiration or termination
of the applicable waiting period under the U.S. Hart-Scott-Rodino Antitrust Improvements Act of 1976, and is
expected to close during the second half of 2021.

About NAPCO Pipe & Fittings
NAPCO, a Westlake company, is a leading North American polyvinyl chloride (PVC) pipe
manufacturer. Founded in 1992, NAPCO supplies a broad range of gasketed, solvent welded, and restrained
joint pipes for a diverse range of markets, including municipal water and sewer, residential plumbing, water
well, and agricultural and turf irrigation. The company has a large and seasoned R&D team driving product
enhancements that deliver innovative solutions that meet customers’ most challenging needs. NAPCO offers
a large selection of PVC piping and fittings, including brands such as Certa-Lok®, Yelomine®, Certa-Set® and
Certa-Flo®.

About Westlake
Westlake is a global manufacturer and supplier of materials and innovative products that enhance life every
day. Headquartered in Houston, we provide the building blocks for vital solutions — from building products
and infrastructure materials, to packaging and healthcare products, to automotive and consumer goods. For
more information, visit the company's web site at www.westlake.com (http://www.westlake.com).

Forward-Looking Statements
https://www.westlake.com/napco-pipe-fittings-announces-acquisition-lasco-fittings-inc 2/4
The statements in this release that are not historical statements, including statements regarding the expected
timing of closing and whether required regulatory approval will be obtained, are forward-looking statements
within the meaning of the federal securities laws. These forward-looking statements are subject to significant
risks and uncertainties, many of which are beyond Westlake’s control. Actual results could differ materially,
based on factors including, but not limited to: the timing to consummate the proposed transaction; the
conditions to closing of the proposed transaction may not be satisfied or the closing of the proposed
transaction otherwise may not occur; the risk that HSR approval is not obtained or is obtained subject to
conditions that are not anticipated; the diversion of management time on transaction-related issues; and
other risks and uncertainties described in Westlake’s Annual Report on Form 10-K for the fiscal year ended
December 31, 2020, which was filed with the Securities and Exchange Commission (“SEC”) in February 2021,
Quarterly Report on Form 10-Q for the quarter ended March 31, 2021, which was filed with the SEC in May
2021, recent Current Reports on Form 8-K, and other SEC filings. These filings also discuss some of the
important risk factors that may affect Westlake’s business, results of operations and financial condition.
Westlake undertakes no obligation to revise or update publicly any forward-looking statements for any
reason.

May 25, 2021

Dear Valued LASCO Customer,

RE: ABS & PVC-DWV Price Increases

Due to continuous increases in raw material prices, freight, and labor, LASCO Fittings, Inc. will implement a 7% price increase on our PVC-DWV fittings, PVC-DWV Large Diameter (10”-12”) fittings and ABS-DWV fittings effective Wednesday, June 9, 2021. All three product categories will increase 7% over the current May 10, 2021 list prices. To arrive at the new list prices, divide the current list prices by .93.  The new prices are currently available in Excel format on our website at www.lascofittings.com.

Current invoice multipliers will remain unchanged.  Future dated orders exceeding the 1/12th limit will not be accepted.

Orders received prior to 6pm CDT on Tuesday, June 8^th will receive current May 10^th list prices.  All orders are for immediate shipment and any unusually large orders may either be altered or denied.  LASCO will continue to monitor all new incoming customer orders to ensure order quantities are limited to one month (1/12) of your annual 2020 invoiced dollar purchases.

If you have any questions, please contact your LASCO Fittings, Inc. salesperson.  We appreciate the opportunity to serve as your PVC fittings partner.

Sincerely,

LASCO Fittings, Inc.

May 10, 2021

Dear Valued LASCO Customers,

LASCO Fittings, Inc. is announcing a list price pressure increase effective May 24, 2021.  Unfortunately, continued increases with raw materials, labor, packaging and freight make this unavoidable.

All LASCO pressure fittings categories will have a 5% list price increase over the May 3, 2021 price lists.  To arrive at the new price lists, divide the May 3^rd list prices by .95.  The new list prices will be available in Excel format on our website at www.lascofittings.com by May 13^th.  Current invoice multipliers will remain in effect.

Orders received prior to 6pm CST on Friday, May 21^st will receive May 3^rd, 2021 list prices.  All orders meeting allocation parameters are for immediate shipment and any unusually large orders may either be altered or denied.

We, at LASCO, thank you for your continued support and please know your business is greatly appreciated.

Sincerely,

LASCO Fittings, Inc.

April 16, 2021

Dear Valued LASCO Customers,

In our effort to be fully transparent with our customers, LASCO is announcing a list price
pressure increase effective May 3, 2021. The market forces between supply and demand of the
PVC resin manufacturers continues, and LASCO has received yet another increase from our raw
material supplier.

All LASCO pressure fittings categories will have a 7% list price increase over the April 2021 price
lists. To arrive at the new price lists, divide the April list prices by .93. LASCO will also
implement a 10% list price increase on Colonial Valves. Please divide the March list prices by .90
to arrive at the new list prices. The new list prices will be available in Excel format on our
website at www.lascofittings.com by April 20th. Current invoice multipliers will remain in effect.
DWV fittings will not increase at this time.

Orders received prior to 6pm CST on Friday, April 30 will receive current list prices on Pressure
fittings and Colonial valves. All orders meeting allocation parameters are for immediate
shipment and any unusually large orders may either be altered or denied.
We, at LASCO, thank you for your continued support and please know your business is greatly
appreciated.

Sincerely,
LASCO Fittings, Inc.

July 30, 2020

TO: Our Valued Customers

RE: ABS & PVC-DWV Price Increases

Effective Tuesday, September 8, 2020, LASCO Fittings, Inc. will implement a price increase on our PVC-DWV fittings, PVC-DWV Large Diameter (10”-12”) fittings and ABS-DWV fittings.

All DWV product categories will increase 8% over the current February 2020 list prices. To arrive at the new list prices, divide the February list prices by .92. Please note some fittings may increase by more than 8%. The new prices will be available in Excel and PDF format on our website at www.lascofittings.com by August 14, 2020. Current invoice multipliers will remain in effect.

Orders received prior to 6pm CDT on Friday, September 4th will receive February list prices. All orders are for immediate shipment and any unusually large orders may either be altered or denied.

If you have any questions, please contact your LASCO Fittings, Inc. salesperson. We appreciate the opportunity to serve as your PVC fittings partner.

Sincerely,
LASCO Fittings, Inc.

Hello all and Happy New Year,

We have added the 8” size to the 601N series Wafer Check Valve, a non-return valve ideal for limited space installations. With this now in stock, we will be phasing out the other 8” wafer check (V80601NP + V80601NPS Spacer).  We will hold some stock for service parts but we expect all sales going forward will be with the V80601N. Details have been added to the 601N submittal.   It is available stand-alone or in KIT format. 

The updated List Price information can be seen here. 

NOTE: For 10 & 12” Wafer Checks, please refer to the 601NP series. 

We appreciate the opportunity to serve as your PVC fittings and valves partner.

LASCO Fittings, Inc. 

December 18, 2019

Dear Valued Customer,
Effective Monday, February 3, 2020, LASCO Fittings, Inc. will implement a price increase on our PVC-DWV fittings, PVC-DWV Large Diameter (10”-12”) fittings and ABS-DWV fittings, which will be approximately 3% over the current prices. Not all prices will increase by the same percentage.

At this time, we will also harmonize our list prices to the Industry List Price Sheets. Invoice multipliers will change along with all the current list prices so that an approximate NET increase of 3% is achieved.

The new prices will be available in Excel and PDF format on our website on January 13, 2020. If you have any questions, please contact your LASCO Fittings, Inc. salesperson. We appreciate the opportunity to serve as your PVC fittings partner.

Sincerely,

Bryan Jackman
Vice President Sales
LASCO Fittings, Inc.

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